1394 OHCI Compliant Host Controller - Windows 7 Service...Adaptive Brightness - Windows 7 Service...

Windows 7 Services - Details

www.der-windows-papst.de – 04.01.2015

1394 OHCI Compliant Host Controller - Windows 7 Service

1394 OpenHCI Driver by Microsoft Corporation.

This service also exists in Windows 10 and 8.

Startup Type

Windows 7 edition without SP SP1

Starter Manual Manual

Home Basic Manual Manual

Home Premium Manual Manual

Professional Manual Manual

Ultimate Manual Manual

Enterprise Manual Manual

Default Properties

Display name: 1394 OHCI Compliant Host Controller

Service name: 1394ohci

Type: kernel

Path: %WinDir%\system32\DRIVERS\1394ohci.sys

Error control: normal

Default Behavior

The 1394 OHCI Compliant Host Controller service is a kernel driver. If the 1394 OHCI Compliant Host Controller fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the 1394ohci service has failed to start.

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1394 OHCI Compliant Host Controller (Legacy) - Windows 7 Service

1394 OpenHCI Port Driver by Microsoft Corporation.

This service also exists in Windows Vista.

Startup Type








Default Properties

Display name: 1394 OHCI Compliant Host Controller (Legacy)

Service name: ohci1394

Type: kernel

Path: %WinDir%\system32\DRIVERS\ohci1394.sys


Default Behavior

The 1394 OHCI Compliant Host Controller (Legacy) service is a kernel driver. If the 1394 OHCI Compliant Host Controller (Legacy) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ohci1394 service has failed to start.




ACPI Power Meter Driver - Windows 7 Service

ACPI Power Metering Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: ACPI Power Meter Driver

Service name: AcpiPmi

Type: kernel

Path: %WinDir%\system32\DRIVERS\acpipmi.sys


Default Behavior

The ACPI Power Meter Driver service is a kernel driver. If the ACPI Power Meter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AcpiPmi service has failed to start.




ActiveX Installer (AxInstSV) - Windows 7 Service

Provides User Account Control validation for the installation of ActiveX controls from the Internet and enables management of ActiveX control installation based on Group Policy settings. This service is started on demand and if disabled the installation of ActiveX controls will behave according to default browser settings.


Startup Type








Default Properties

Display name: ActiveX Installer (AxInstSV)

Service name: AxInstSV

Type: share

Path: %WinDir%\system32\svchost.exe -k AxInstSVGroup

File: %WinDir%\System32\AxInstSV.dll


Object: LocalSystem

Privileges: SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege SeTcbPrivilege




SeBackupPrivilege SeRestorePrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeImpersonatePrivilege

Default Behavior

The ActiveX Installer (AxInstSV) service runs as LocalSystem in a shared process. It shares an executable file with other services. If the ActiveX Installer (AxInstSV) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AxInstSV service has failed to start.

Dependencies

ActiveX Installer (AxInstSV) will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Adaptive Brightness - Windows 7 Service

Monitors ambient light sensors to detect changes in ambient light and adjust the display brightness. If this service is stopped or disabled, the display brightness will not adapt to lighting conditions.


Startup Type


Starter not exists not exists






Default Properties

Display name: Adaptive Brightness

Service name:

SensrSvc

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalServiceAndNoImpersonation

File: %WinDir%\system32\sensrsvc.dll


Object: NT AUTHORITY\LocalService

Privileges: SeChangeNotifyPrivilege

Default Behavior

The Adaptive Brightness service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Adaptive Brightness fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SensrSvc service has failed to start.




Adp94xx - Windows 7 Service

Adaptec Windows SAS/SATA Storport Driver by Adaptec, Inc..

This service also exists in Windows 8 and Vista.

Startup Type








Default Properties

Display name: Adp94xx

Service name: adp94xx

Type: kernel

Path: %WinDir%\system32\DRIVERS\adp94xx.sys


Group: SCSI Miniport

Default Behavior

The Adp94xx service is a kernel driver. If the Adp94xx fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the adp94xx service has failed to start.




Adpahci - Windows 7 Service

Adaptec Windows SATA Storport Driver by Adaptec, Inc..


Startup Type








Default Properties

Display name: Adpahci

Service name: adpahci

Type: kernel

Path: %WinDir%\system32\DRIVERS\adpahci.sys



Default Behavior

The Adpahci service is a kernel driver. If the Adpahci fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the adpahci service has failed to start.




Adpu320 - Windows 7 Service

Adaptec StorPort Ultra320 SCSI Driver by Adaptec, Inc..


Startup Type








Default Properties

Display name: Adpu320

Service name: adpu320

Type: kernel

Path: %WinDir%\system32\DRIVERS\adpu320.sys



Default Behavior

The Adpu320 service is a kernel driver. If the Adpu320 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the adpu320 service has failed to start.




Aic78xx - Windows 7 Service

Adaptec Ultra SCSI miniport by Adaptec, Inc..

This service also exists in Windows Vista and XP.

Startup Type








Default Properties

Display name: Aic78xx

Service name: aic78xx

Type: kernel

Path: %WinDir%\system32\DRIVERS\djsvs.sys



Default Behavior

The Aic78xx service is a kernel driver. If the Aic78xx fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the aic78xx service has failed to start.




Aliide - Windows 7 Service

ALi mini IDE Driver by Acer Laboratories Inc..


Startup Type








Default Properties

Display name: Aliide

Service name: aliide

Type: kernel

Path: %WinDir%\system32\DRIVERS\aliide.sys

Error control: critical

Group: System Bus Extender

Default Behavior

The Aliide service is a kernel driver. If the Aliide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




AMD AGP Bus Filter Driver - Windows 7 Service

AMD NT AGP Filter by Microsoft Corporation.

This service also exists in Windows 10, 8 and Vista.

Startup Type








Default Properties

Display name: AMD AGP Bus Filter Driver

Service name: amdagp

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdagp.sys


Group: PnP Filter

Default Behavior

The AMD AGP Bus Filter Driver service is a kernel driver. If the AMD AGP Bus Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the amdagp service has failed to start.




Amdide - Windows 7 Service

AMD IDE Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Amdide

Service name: amdide

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdide.sys



Default Behavior

The Amdide service is a kernel driver. If the Amdide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




AMD K8 Processor Driver - Windows 7 Service

Processor Device Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: AMD K8 Processor Driver

Service name: AmdK8

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdk8.sys


Group: Extended Base

Default Behavior

The AMD K8 Processor Driver service is a kernel driver. If the AMD K8 Processor Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AmdK8 service has failed to start.




AMD Processor Driver - Windows 7 Service



Startup Type








Default Properties

Display name: AMD Processor Driver

Service name: AmdPPM

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdppm.sys



Default Behavior

The AMD Processor Driver service is a kernel driver. If the AMD Processor Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AmdPPM service has failed to start.




Amdsata - Windows 7 Service

AHCI 1.2 Device Driver by Advanced Micro Devices.


Startup Type








Default Properties

Display name: Amdsata

Service name: amdsata

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdsata.sys


Group: SCSI miniport

Default Behavior

The Amdsata service is a kernel driver. If the Amdsata fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the amdsata service has failed to start.




Amdsbs - Windows 7 Service

AMD Technology AHCI Compatible Controller Driver for Windows family by AMD Technologies Inc..


Startup Type








Default Properties

Display name: Amdsbs

Service name: amdsbs

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdsbs.sys



Default Behavior

The Amdsbs service is a kernel driver. If the Amdsbs fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the amdsbs service has failed to start.




Amdxata - Windows 7 Service

Storage Filter Driver by Advanced Micro Devices.


Startup Type


Starter Boot Boot

Home Basic Boot Boot

Home Premium Boot Boot

Professional Boot Boot

Ultimate Boot Boot

Enterprise Boot Boot

Default Properties

Display name: Amdxata

Service name: amdxata

Type: kernel

Path: %WinDir%\system32\DRIVERS\amdxata.sys



Default Behavior

The Amdxata service is a kernel driver. If the Amdxata fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the amdxata service has failed to start.




Ancillary Function Driver for Winsock - Windows 7 Service

Ancillary Function Driver for Winsock.

This service also exists in Windows 10, 8, Vista and XP.

Startup Type


Starter System System

Home Basic System System

Home Premium System System

Professional System System

Ultimate System System

Enterprise System System

Default Properties

Display name: Ancillary Function Driver for Winsock

Service name: AFD

Type: kernel

Path: %WinDir%\system32\drivers\afd.sys


Group: PNP_TDI

Default Behavior

The Ancillary Function Driver for Winsock service is a kernel driver. If the Ancillary Function Driver for Winsock fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AFD service has failed to start.

Dependencies

If the Ancillary Function Driver for Winsock is stopped, the following services will not start and initialize:

DHCP Client TCP/IP NetBIOS Helper




AppID Driver - Windows 7 Service

Identifies an application and enforces software restriction policies.


Startup Type








Default Properties

Display name: AppID Driver

Service name: AppID

Type: kernel

Path: %WinDir%\system32\drivers\appid.sys


Default Behavior

The AppID Driver service is a kernel driver. If the AppID Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AppID service has failed to start.

Dependencies

AppID Driver will not start, if the following services are stopped or disabled:

FltMgr System Attribute Cache




Application Experience - Windows 7 Service

Processes application compatibility cache requests for applications as they are launched.


Startup Type








Default Properties

Display name: Application Experience

Service name: AeLookupSvc

Type: share

Path: %WinDir%\system32\svchost.exe -k netsvcs

File: %WinDir%\System32\aelupsvc.dll


Object: localSystem

Privileges:

SeTcbPrivilege SeImpersonatePrivilege

Default Behavior

The Application Experience service runs as localSystem in a shared process. It shares an executable file with other services. If the Application Experience fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AeLookupSvc service has failed to start.




Application Identity - Windows 7 Service

Determines and verifies the identity of an application. Disabling this service will prevent AppLocker from being enforced.


Startup Type








Default Properties

Display name: Application Identity

Service name:

AppIDSvc

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalServiceAndNoImpersonation

File: %WinDir%\System32\appidsvc.dll


Group: ProfSvc_Group

Object: NT Authority\LocalService


Default Behavior

The Application Identity service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Application Identity fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AppIDSvc service has failed to start.




Dependencies

Application Identity will not start, if the following services are stopped or disabled:

AppID Driver Cryptographic Services Remote Procedure Call (RPC)




Application Information - Windows 7 Service

Facilitates the running of interactive applications with additional administrative privileges. If this service is stopped, users will be unable to launch applications with the additional administrative privileges they may require to perform desired user tasks.


Startup Type








Default Properties

Display name: Application Information

Service name: Appinfo

Type: share


File: %WinDir%\System32\appinfo.dll


Object: LocalSystem

Privileges:

SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege SeTcbPrivilege SeBackupPrivilege SeRestorePrivilege SeDebugPrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeImpersonatePrivilege

Default Behavior




The Application Information service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Application Information fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Appinfo service has failed to start.

Dependencies

Application Information will not start, if the following services are stopped or disabled:

Remote Procedure Call (RPC) User Profile Service




Application Layer Gateway Service - Windows 7 Service

Provides support for 3rd party protocol plug-ins for Internet Connection Sharing.


Startup Type








Default Properties

Display name: Application Layer Gateway Service

Service name: ALG

Type: own

Path: %WinDir%\System32\alg.exe



Privileges:

SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege

Default Behavior

The Application Layer Gateway Service runs as NT AUTHORITY\LocalService in its own process. It does not share an executable file with other services. If the Application Layer Gateway Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ALG service has failed to start.




Application Management - Windows 7 Service

Processes installation, removal, and enumeration requests for software deployed through Group Policy. If the service is disabled, users will be unable to install, remove, or enumerate software deployed through Group Policy. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type



Home Basic not exists not exists

Home Premium not exists not exists




Default Properties

Display name: Application Management

Service name: AppMgmt

Type: share


File: %WinDir%\System32\appmgmts.dll


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeShutdownPrivilege SeTakeOwnershipPrivilege

Default Behavior

The Application Management service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Application Management fails to load or initialize, the error is recorded into the Event Log.




Windows 7 startup should proceed, but a message box is displayed informing you that the AppMgmt service has failed to start.




Arc - Windows 7 Service

Adaptec RAID Storport Driver by Adaptec, Inc..


Startup Type








Default Properties

Display name: Arc

Service name: arc

Type: kernel

Path: %WinDir%\system32\DRIVERS\arc.sys



Default Behavior

The Arc service is a kernel driver. If the Arc fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the arc service has failed to start.




Arcsas - Windows 7 Service

Adaptec SAS RAID WS03 Driver by Adaptec, Inc..


Startup Type








Default Properties

Display name: Arcsas

Service name: arcsas

Type: kernel

Path: %WinDir%\system32\DRIVERS\arcsas.sys



Default Behavior

The Arcsas service is a kernel driver. If the Arcsas fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the arcsas service has failed to start.




Background Intelligent Transfer Service - Windows 7 Service

Transfers files in the background using idle network bandwidth. If the service is disabled, then any applications that depend on BITS, such as Windows Update or MSN Explorer, will be unable to automatically download programs and other information.


Startup Type


Starter Automatic (Delayed Start) Automatic (Delayed Start)

Home Basic Automatic (Delayed Start) Automatic (Delayed Start)

Home Premium Automatic (Delayed Start) Automatic (Delayed Start)

Professional Automatic (Delayed Start) Automatic (Delayed Start)

Ultimate Automatic (Delayed Start) Automatic (Delayed Start)

Enterprise Automatic (Delayed Start) Automatic (Delayed Start)

Default Properties

Display name: Background Intelligent Transfer Service

Service name: BITS

Type: share

Path: %WinDir%\System32\svchost.exe -k netsvcs

File: %WinDir%\System32\qmgr.dll


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeImpersonatePrivilege SeTcbPrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege

Default Behavior

The Background Intelligent Transfer Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Background




Intelligent Transfer Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BITS service has failed to start.

Dependencies

Background Intelligent Transfer Service will not start, if the following services are stopped or disabled:

COM+ Event System Remote Procedure Call (RPC)




Base Filtering Engine - Windows 7 Service

The Base Filtering Engine (BFE) is a service that manages firewall and Internet Protocol security (IPsec) policies and implements user mode filtering. Stopping or disabling the BFE service will significantly reduce the security of the system. It will also result in unpredictable behavior in IPsec management and firewall applications.


Startup Type


Starter Automatic Automatic

Home Basic Automatic Automatic

Home Premium Automatic Automatic

Professional Automatic Automatic

Ultimate Automatic Automatic

Enterprise Automatic Automatic

Default Properties

Display name: Base Filtering Engine

Service name: BFE

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalServiceNoNetwork

File: %WinDir%\System32\bfe.dll


Group: NetworkProvider


Privileges: SeAuditPrivilege

Default Behavior

The Base Filtering Engine service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Base Filtering Engine fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BFE service has failed to start.




Dependencies

Base Filtering Engine will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Base Filtering Engine is stopped, the following services will not start and initialize:

IKE and AuthIP IPsec Keying Modules Internet Connection Sharing (ICS) IPsec Policy Agent Routing and Remote Access Windows Firewall




Beep - Windows 7 Service


Startup Type








Default Properties

Display name: Beep

Service name: Beep

Type: kernel


Group: Base

Default Behavior

The Beep service is a kernel driver. If the Beep fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Beep service has failed to start.




Bitlocker Drive Encryption Filter Driver - Windows 7 Service

Bitlocker Drive Encryption Filter Driver.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Bitlocker Drive Encryption Filter Driver

Service name: fvevol

Type: kernel

Path: %WinDir%\System32\DRIVERS\fvevol.sys


Group: PnP Filter

Default Behavior

The Bitlocker Drive Encryption Filter Driver service is a kernel driver. If the Bitlocker Drive Encryption Filter Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this




service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




BitLocker Drive Encryption Service - Windows 7 Service

BDESVC hosts the BitLocker Drive Encryption service. BitLocker Drive Encryption provides secure startup for the operating system, as well as full volume encryption for OS, fixed or removable volumes. This service allows BitLocker to prompt users for various actions related to their volumes when mounted, and unlocks volumes automatically without user interaction. Additionally, it stores recovery information to Active Directory, if available, and, if necessary, ensures the most recent recovery certificates are used. Stopping or disabling the service would prevent users from leveraging this functionality.


Startup Type








Default Properties

Display name: BitLocker Drive Encryption Service

Service name: BDESVC

Type: share


File: %WinDir%\System32\bdesvc.dll


Object: localSystem




Privileges: SeChangeNotifyPrivilege SeImpersonatePrivilege

Default Behavior

The BitLocker Drive Encryption Service runs as localSystem in a shared process. It shares an executable file with other services. If the BitLocker Drive Encryption Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BDESVC service has failed to start.




Blbdrive - Windows 7 Service

BLB Drive Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Blbdrive

Service name: blbdrive

Type: kernel

Path: %WinDir%\system32\DRIVERS\blbdrive.sys


Default Behavior

The Blbdrive service is a kernel driver. If the Blbdrive fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the blbdrive service has failed to start.




Block Level Backup Engine Service - Windows 7 Service

The WBENGINE service is used by Windows Backup to perform backup and recovery operations. If this service is stopped by a user, it may cause the currently running backup or recovery operation to fail. Disabling this service may disable backup and recovery operations using Windows Backup on your computer.


Startup Type








Default Properties

Display name: Block Level Backup Engine Service

Service name: wbengine

Type: own

Path: %WinDir%\system32\wbengine.exe


Object: localSystem

Privileges:

SeImpersonatePrivilege SeBackupPrivilege SeManageVolumePrivilege SeRestorePrivilege SeSystemEnvironmentPrivilege




SeSecurityPrivilege SeTakeOwnershipPrivilege SeShutdownPrivilege

Default Behavior

The Block Level Backup Engine Service runs as localSystem in its own process. It does not share an executable file with other services. If the Block Level Backup Engine Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wbengine service has failed to start.




Bluetooth Serial Communications Driver - Windows 7 Service

Bluetooth Communications Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Bluetooth Serial Communications Driver

Service name: BTHMODEM

Type: kernel

Path: %WinDir%\system32\DRIVERS\bthmodem.sys


Default Behavior

The Bluetooth Serial Communications Driver service is a kernel driver. If the Bluetooth Serial Communications Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BTHMODEM service has failed to start.




Bluetooth Support Service - Windows 7 Service

The Bluetooth service supports discovery and association of remote Bluetooth devices. Stopping or disabling this service may cause already installed Bluetooth devices to fail to operate properly and prevent new devices from being discovered or associated.


Startup Type








Default Properties

Display name: Bluetooth Support Service

Service name: bthserv

Type: share

Path: %WinDir%\system32\svchost.exe -k bthsvcs

File: %WinDir%\system32\bthserv.dll



Privileges:





Default Behavior

The Bluetooth Support Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Bluetooth Support Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the bthserv service has failed to start.

Dependencies

Bluetooth Support Service will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




BranchCache - Windows 7 Service

This service caches network content from peers on the local subnet.


Startup Type








Default Properties

Display name: BranchCache

Service name: PeerDistSvc

Type: share

Path: %WinDir%\System32\svchost.exe -k PeerDist

File: %WinDir%\system32\peerdistsvc.dll


Object: NT AUTHORITY\NetworkService

Privileges:

SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeAuditPrivilege

Default Behavior




The BranchCache service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the BranchCache fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PeerDistSvc service has failed to start.

Dependencies

BranchCache will not start, if the HTTP service is stopped or disabled.




Broadcom NetXtreme Gigabit Ethernet - NDIS 6.0 - Windows 7 Service

Broadcom NetXtreme Gigabit Ethernet NDIS6.x Unified Driver. by Broadcom Corporation.


Startup Type








Default Properties

Display name: Broadcom NetXtreme Gigabit Ethernet - NDIS 6.0

Service name: b57nd60x

Type: kernel

Path: %WinDir%\system32\DRIVERS\b57nd60x.sys


Group: NDIS

Default Behavior

The Broadcom NetXtreme Gigabit Ethernet - NDIS 6.0 service is a kernel driver. If the Broadcom NetXtreme Gigabit Ethernet - NDIS 6.0 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should




proceed, but a message box is displayed informing you that the b57nd60x service has failed to start.




Broadcom NetXtreme II 10 GigE VBD - Windows 7 Service

Broadcom NetXtreme II 10 GigE VBD by Broadcom Corporation.

This service exists in Windows 7 only.

Startup Type








Default Properties

Display name: Broadcom NetXtreme II 10 GigE VBD

Service name: ebdrv

Type: kernel

Path: %WinDir%\system32\DRIVERS\evbdx.sys


Group: base

Default Behavior

The Broadcom NetXtreme II 10 GigE VBD service is a kernel driver. If the Broadcom NetXtreme II 10 GigE VBD fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ebdrv service has failed to start.




Broadcom NetXtreme II VBD - Windows 7 Service

Broadcom NetXtreme II GigE VBD by Broadcom Corporation.


Startup Type








Default Properties

Display name: Broadcom NetXtreme II VBD

Service name: b06bdrv

Type: kernel

Path: %WinDir%\system32\DRIVERS\bxvbdx.sys


Group: base

Default Behavior

The Broadcom NetXtreme II VBD service is a kernel driver. If the Broadcom NetXtreme II VBD fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the b06bdrv service has failed to start.




Brother MFC Serial Port Interface Driver (WDM) - Windows 7 Service

Brotehr Serial I/F Driver (WDM) by Brother Industries Ltd..


Startup Type








Default Properties

Display name: Brother MFC Serial Port Interface Driver (WDM)

Service name: Brserid

Type: kernel

Path: %WinDir%\System32\Drivers\Brserid.sys


Default Behavior

The Brother MFC Serial Port Interface Driver (WDM) service is a kernel driver. If the Brother MFC Serial Port Interface Driver (WDM) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Brserid service has failed to start.




Brother MFC USB Fax Only Modem - Windows 7 Service

Brother USB MDM Driver by Brother Industries Ltd..


Startup Type








Default Properties

Display name: Brother MFC USB Fax Only Modem

Service name: BrUsbMdm

Type: kernel

Path: %WinDir%\System32\Drivers\BrUsbMdm.sys


Default Behavior

The Brother MFC USB Fax Only Modem service is a kernel driver. If the Brother MFC USB Fax Only Modem fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BrUsbMdm service has failed to start.




Brother MFC USB Serial WDM Driver - Windows 7 Service

Brother USB Serial Driver by Brother Industries Ltd..


Startup Type








Default Properties

Display name: Brother MFC USB Serial WDM Driver

Service name: BrUsbSer

Type: kernel

Path: %WinDir%\System32\Drivers\BrUsbSer.sys


Default Behavior

The Brother MFC USB Serial WDM Driver service is a kernel driver. If the Brother MFC USB Serial WDM Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BrUsbSer service has failed to start.




Brother USB Mass-Storage Lower Filter Driver - Windows 7 Service

Windows ME USB Mass-Storage Bulk-Only Lower Filter Driver by Brother Industries, Ltd..


Startup Type








Default Properties

Display name: Brother USB Mass-Storage Lower Filter Driver

Service name: BrFiltLo

Type: kernel

Path: %WinDir%\system32\DRIVERS\BrFiltLo.sys


Group: extended base

Default Behavior

The Brother USB Mass-Storage Lower Filter Driver service is a kernel driver. If the Brother USB Mass-Storage Lower Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a




message box is displayed informing you that the BrFiltLo service has failed to start.




Brother WDM Serial driver - Windows 7 Service

Brother Serial driver (WDM version) by Brother Industries Ltd..


Startup Type








Default Properties

Display name: Brother WDM Serial driver

Service name: BrSerWdm

Type: kernel

Path: %WinDir%\System32\Drivers\BrSerWdm.sys


Default Behavior

The Brother WDM Serial driver service is a kernel driver. If the Brother WDM Serial driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the BrSerWdm service has failed to start.




Browser Support Driver - Windows 7 Service

Implements the kernel datagram receiver for the computer browser browser service.


Startup Type








Default Properties

Display name: Browser Support Driver

Service name: bowser

Type: filesys

Path: %WinDir%\system32\DRIVERS\bowser.sys


Group: Network

Default Behavior

The Browser Support Driver service is a file system driver. If the Browser Support Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the bowser service has failed to start.




Dependencies

If the Browser Support Driver is stopped, the Workstation fails to start and initialize.




CD-ROM Driver - Windows 7 Service

SCSI CD-ROM Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: CD-ROM Driver

Service name: cdrom

Type: kernel

Path: %WinDir%\system32\DRIVERS\cdrom.sys


Group: SCSI CDROM Class

Default Behavior

The CD-ROM Driver service is a kernel driver. If the CD-ROM Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the cdrom service has failed to start.

Dependencies




If the CD-ROM Driver is stopped, the CD/DVD File System Reader fails to start and initialize.




CD/DVD File System Reader - Windows 7 Service

ISO9660/Joliet File System Reader for CD/DVDs. (Core) (All pieces).


Startup Type


Starter Disabled Disabled

Home Basic Disabled Disabled

Home Premium Disabled Disabled

Professional Disabled Disabled

Ultimate Disabled Disabled

Enterprise Disabled Disabled

Default Properties

Display name: CD/DVD File System Reader

Service name: cdfs

Type: filesys

Path: %WinDir%\system32\DRIVERS\cdfs.sys


Group: Boot File System

Default Behavior

The CD/DVD File System Reader service is a file system driver. If the CD/DVD File System Reader fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the cdfs service has failed to start.

Dependencies




CD/DVD File System Reader will not start, if the CD-ROM Driver service is stopped or disabled.




Certificate Propagation - Windows 7 Service

Copies user certificates and root certificates from smart cards into the current user's certificate store, detects when a smart card is inserted into a smart card reader, and, if needed, installs the smart card Plug and Play minidriver.


Startup Type








Default Properties

Display name: Certificate Propagation

Service name: CertPropSvc

Type: share


File: %WinDir%\System32\certprop.dll


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeTcbPrivilege SeChangeNotifyPrivilege SeImpersonatePrivilege SeTakeOwnershipPrivilege




SeSecurityPrivilege

Default Behavior

The Certificate Propagation service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Certificate Propagation fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CertPropSvc service has failed to start.

Dependencies

Certificate Propagation will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Cmdide - Windows 7 Service

CMD PCI IDE Bus Driver by CMD Technology, Inc..


Startup Type








Default Properties

Display name: Cmdide

Service name: cmdide

Type: kernel

Path: %WinDir%\system32\DRIVERS\cmdide.sys



Default Behavior

The Cmdide service is a kernel driver. If the Cmdide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




CNG - Windows 7 Service

Kernel Cryptography, Next Generation by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: CNG

Service name: CNG

Type: kernel

Path: %WinDir%\System32\Drivers\cng.sys


Group: Base

Default Behavior

The CNG service is a kernel driver. If the CNG fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




CNG Key Isolation - Windows 7 Service

The CNG key isolation service is hosted in the LSA process. The service provides key process isolation to private keys and associated cryptographic operations as required by the Common Criteria. The service stores and uses long-lived keys in a secure process complying with Common Criteria requirements.


Startup Type








Default Properties

Display name: CNG Key Isolation

Service name: KeyIso

Type: share

Path: %WinDir%\system32\lsass.exe


Object: LocalSystem

Default Behavior

The CNG Key Isolation service runs as LocalSystem in a shared process. It shares an executable file with other services. If the CNG Key Isolation fails to




load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the KeyIso service has failed to start.

Dependencies

CNG Key Isolation will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the CNG Key Isolation is stopped, the Extensible Authentication Protocol fails to start and initialize.




COM+ Event System - Windows 7 Service

Supports System Event Notification Service (SENS), which provides automatic distribution of events to subscribing Component Object Model (COM) components. If the service is stopped, SENS will close and will not be able to provide logon and logoff notifications. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: COM+ Event System

Service name: EventSystem

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalService

File: %WinDir%\system32\es.dll







Default Behavior

The COM+ Event System service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the COM+ Event System fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the EventSystem service has failed to start.

Dependencies

COM+ Event System will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the COM+ Event System is stopped, the following services will not start and initialize:

Background Intelligent Transfer Service

COM+ System Application

SPP Notification Service

System Event Notification Service




COM+ System Application - Windows 7 Service

Manages the configuration and tracking of Component Object Model (COM)+-based components. If the service is stopped, most COM+-based components will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display

name: COM+ System Application

Service

name: COMSysApp

Type: own

Path: %WinDir%\system32\dllhost.exe /Processid:{02D4B3F1-FD88-11D1-

960D-00805FC79235}


Object: LocalSystem

Privileges: SeAssignPrimaryTokenPrivilege SeAuditPrivilege SeChangeNotifyPrivilege




SeCreateGlobalPrivilege SeDebugPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege

Default Behavior

The COM+ System Application service runs as LocalSystem in its own process. It does not share an executable file with other services. If the COM+ System Application fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the COMSysApp service has failed to start.

Dependencies

COM+ System Application will not start, if the following services are stopped or disabled:

COM+ Event System

Remote Procedure Call (RPC)

System Event Notification Service




Common Log (CLFS) - Windows 7 Service

General-purpose logging service.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Common Log (CLFS)

Service name: CLFS

Type: kernel

Path: %WinDir%\System32\CLFS.sys


Group: Filter

Default Behavior

The Common Log (CLFS) service is a kernel driver. If the Common Log (CLFS) fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Compbatt - Windows 7 Service

Composite Battery Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Compbatt

Service name: Compbatt

Type: kernel

Path: %WinDir%\system32\DRIVERS\compbatt.sys



Default Behavior

The Compbatt service is a kernel driver. If the Compbatt fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Composite Bus Enumerator Driver - Windows 7 Service

Multi-Transport Composite Bus Enumerator by Microsoft Corporation.


Startup Type








Default Properties

Display name: Composite Bus Enumerator Driver

Service name: CompositeBus

Type: kernel

Path: %WinDir%\system32\DRIVERS\CompositeBus.sys



Default Behavior

The Composite Bus Enumerator Driver service is a kernel driver. If the Composite Bus Enumerator Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a




message box is displayed informing you that the CompositeBus service has failed to start.




Computer Browser - Windows 7 Service

Maintains an updated list of computers on the network and supplies this list to computers designated as browsers. If this service is stopped, this list will not be updated or maintained. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Computer Browser

Service name: Browser

Type: share


File: %WinDir%\System32\browser.dll



Object: LocalSystem

Default Behavior




The Computer Browser service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Computer Browser fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Browser service has failed to start.

Dependencies

Computer Browser will not start, if the following services are stopped or disabled:

Server

Workstation




Consumer IR Devices - Windows 7 Service

Consumer IR Class Driver for eHome by Microsoft Corporation.


Startup Type








Default Properties

Display name: Consumer IR Devices

Service name: circlass

Type: kernel

Path: %WinDir%\system32\DRIVERS\circlass.sys



Default Behavior

The Consumer IR Devices service is a kernel driver. If the Consumer IR Devices fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the circlass service has failed to start.




Crcdisk Filter Driver - Windows 7 Service

Disk Block Verification Filter Driver by Microsoft Corporation.


Startup Type

Since Crcdisk Filter Driver is a kernel driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause unexpected hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.








Default Properties

Display name: Crcdisk Filter Driver

Service name: crcdisk

Type: kernel

Path: %WinDir%\system32\DRIVERS\crcdisk.sys


Group: Pnp Filter

Default Behavior




The Crcdisk Filter Driver service is a kernel driver. If the Crcdisk Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the crcdisk service has failed to start.




Credential Manager - Windows 7 Service

Provides secure storage and retrieval of credentials to users, applications and security service packages.


Startup Type








Default Properties

Display name: Credential Manager

Service name: VaultSvc

Type: share



Object: LocalSystem

Privileges: SeTcbPrivilege SeTakeOwnershipPrivilege

Default Behavior

The Credential Manager service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Credential Manager fails to




load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the VaultSvc service has failed to start.

Dependencies

Credential Manager will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Credential Manager is stopped, the Windows Biometric Service fails to start and initialize.




Cryptographic Services - Windows 7 Service

Provides four management services Catalog Database Service, which confirms the signatures of Windows files and allows new programs to be installed; Protected Root Service, which adds and removes Trusted Root Certification Authority certificates from your computer; Automatic Root Certificate Update Service, which retrieves root certificates from Windows Update and enable scenarios such as SSL; and Key Service, which helps enroll your computer for certificates. If this service is stopped, these management services will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Cryptographic Services

Service name: CryptSvc

Type: share

Path: %WinDir%\system32\svchost.exe -k NetworkService

File: %WinDir%\system32\cryptsvc.dll





Object: NT Authority\NetworkService

Privileges:


Default Behavior

The Cryptographic Services runs as NT Authority\NetworkService in a shared process. It shares an executable file with other services. If the Cryptographic Services fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CryptSvc service has failed to start.

Dependencies

Cryptographic Services will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Cryptographic Services is stopped, the Application Identity fails to start and initialize.




DCOM Server Process Launcher - Windows 7 Service

The DCOMLAUNCH service launches COM and DCOM servers in response to object activation requests. If this service is stopped or disabled, programs using COM or DCOM will not function properly. It is strongly recommended that you have the DCOMLAUNCH service running.


Startup Type








Default Properties

Display name: DCOM Server Process Launcher

Service name: DcomLaunch

Type: share

Path: %WinDir%\system32\svchost.exe -k DcomLaunch

File: %WinDir%\system32\rpcss.dll


Group: COM Infrastructure

Object: LocalSystem

Privileges: SeAssignPrimaryTokenPrivilege




SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeDebugPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeTcbPrivilege SeBackupPrivilege SeRestorePrivilege

Default Behavior

The DCOM Server Process Launcher service runs as LocalSystem in a shared process. It shares an executable file with other services. If the DCOM Server Process Launcher fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the DcomLaunch service has failed to start.

Dependencies

If the DCOM Server Process Launcher is stopped, the Remote Procedure Call

(RPC) fails to start and initialize.




Desktop Window Manager Session Manager - Windows 7 Service

Provides Desktop Window Manager startup and maintenance services.


Startup Type








Default Properties

Display name: Desktop Window Manager Session Manager

Service name: UxSms

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalSystemNetworkRestricted

File: %WinDir%\System32\uxsms.dll


Group: UIGroup

Object: localSystem

Privileges: SeAssignPrimaryTokenPrivilege SeCreateGlobalPrivilege SeIncreaseQuotaPrivilege




SeSecurityPrivilege SeTcbPrivilege

Default Behavior

The Desktop Window Manager Session Manager service runs as localSystem in a shared process. It shares an executable file with other services. If the Desktop Window Manager Session Manager fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the UxSms service has failed to start.




DFS Namespace Client Driver - Windows 7 Service

Client driver for access to DFS Namespaces.


Startup Type








Default Properties

Display name: DFS Namespace Client Driver

Service name: DfsC

Type: filesys

Path: %WinDir%\System32\Drivers\dfsc.sys


Group: Network

Default Behavior

The DFS Namespace Client Driver service is a file system driver. If the DFS Namespace Client Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the DfsC service has failed to start.

Dependencies




DFS Namespace Client Driver will not start, if the Mup service is stopped or disabled.




DHCP Client - Windows 7 Service

Registers and updates IP addresses and DNS records for your computer. If this service is stopped, your computer will not receive dynamic IP addresses and DNS updates. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: DHCP Client

Service name: Dhcp

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalServiceNetworkRestricted

File: %WinDir%\system32\dhcpcore.dll


Group: TDI






SeCreateGlobalPrivilege

Default Behavior

The DHCP Client service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the DHCP Client fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Dhcp service has failed to start.

Dependencies

DHCP Client will not start, if the following services are stopped or disabled:

Ancillary Function Driver for Winsock

NetIO Legacy TDI Support Driver

Network Store Interface Service




Diagnostic Policy Service - Windows 7 Service

The Diagnostic Policy Service enables problem detection, troubleshooting and resolution for Windows components. If this service is stopped, diagnostics will no longer function.


Startup Type








Default Properties

Display name: Diagnostic Policy Service

Service name: DPS

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalServiceNoNetwork

File: %WinDir%\system32\dps.dll



Privileges:

SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeAssignPrimaryTokenPrivilege SeImpersonatePrivilege




Default Behavior

The Diagnostic Policy Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Diagnostic Policy Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the DPS service has failed to start.




Diagnostic Service Host - Windows 7 Service

The Diagnostic Service Host is used by the Diagnostic Policy Service to host diagnostics that need to run in a Local Service context. If this service is stopped, any diagnostics that depend on it will no longer function.


Startup Type








Default Properties

Display name: Diagnostic Service Host

Service name: WdiServiceHost

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalService

File: %WinDir%\system32\wdi.dll



Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeSystemProfilePrivilege




Default Behavior

The Diagnostic Service Host runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Diagnostic Service Host fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WdiServiceHost service has failed to start.




Diagnostic System Host - Windows 7 Service

The Diagnostic System Host is used by the Diagnostic Policy Service to host diagnostics that need to run in a Local System context. If this service is stopped, any diagnostics that depend on it will no longer function.


Startup Type








Default Properties

Display name: Diagnostic System Host

Service name: WdiSystemHost

Type: share


File: %WinDir%\system32\wdi.dll


Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeTcbPrivilege SeDebugPrivilege SeAssignPrimaryTokenPrivilege




SeIncreaseQuotaPrivilege SeProfileSingleProcessPrivilege SeSystemEnvironmentPrivilege

Default Behavior

The Diagnostic System Host service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Diagnostic System Host fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WdiSystemHost service has failed to start.




Disk Defragmenter - Windows 7 Service

Provides Disk Defragmentation Capabilities.


Startup Type








Default Properties

Display name: Disk Defragmenter

Service name: defragsvc

Type: own

Path: %WinDir%\system32\svchost.exe -k defragsvc

File: %WinDir%\System32\defragsvc.dll


Object: localSystem

Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeIncreaseWorkingSetPrivilege SeTcbPrivilege SeSystemProfilePrivilege SeAuditPrivilege SeCreateGlobalPrivilege




SeBackupPrivilege SeManageVolumePrivilege

Default Behavior

The Disk Defragmenter service runs as localSystem in its own process. It does not share an executable file with other services. If the Disk Defragmenter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the defragsvc service has failed to start.

Dependencies

Disk Defragmenter will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Disk Driver - Windows 7 Service

PnP Disk Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Disk Driver

Service name: Disk

Type: kernel

Path: %WinDir%\system32\DRIVERS\disk.sys


Default Behavior

The Disk Driver service is a kernel driver. If the Disk Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Disk service has failed to start.




Disk Virtual Machine Bus Acceleration Filter Driver - Windows 7 Service

Virtual Storage Filter Driver by Microsoft Corporation.


Startup Type






Ultimate Boot Boot


Default Properties

Display name: Disk Virtual Machine Bus Acceleration Filter Driver

Service name: storflt

Type: kernel

Path: %WinDir%\system32\DRIVERS\vmstorfl.sys



Default Behavior

The Disk Virtual Machine Bus Acceleration Filter Driver service is a kernel driver. If the Disk Virtual Machine Bus Acceleration Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the storflt service has failed to start.




Distributed Link Tracking Client - Windows 7 Service

Maintains links between NTFS files within a computer or across computers in a network.


Startup Type








Default Properties

Display name: Distributed Link Tracking Client

Service name: TrkWks

Type: share


File: %WinDir%\System32\trkwks.dll


Object: LocalSystem

Privileges: SeRestorePrivilege SeImpersonatePrivilege

Default Behavior




The Distributed Link Tracking Client service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Distributed Link Tracking Client fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TrkWks service has failed to start.

Dependencies

Distributed Link Tracking Client will not start, if the Remote Procedure Call

(RPC) service is stopped or disabled.




Distributed Transaction Coordinator - Windows 7 Service

Coordinates transactions that span multiple resource managers, such as databases, message queues, and file systems. If this service is stopped, these transactions will fail. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Distributed Transaction Coordinator

Service name: MSDTC

Type: own

Path: %WinDir%\System32\msdtc.exe



Privileges: SeChangeNotifyPrivilege SeCreateGlobalPrivilege

Default Behavior




The Distributed Transaction Coordinator service runs as NT AUTHORITY\NetworkService in its own process. It does not share an executable file with other services. If the Distributed Transaction Coordinator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MSDTC service has failed to start.

Dependencies

Distributed Transaction Coordinator will not start, if the following services are stopped or disabled:


Security Accounts Manager




DNS Client - Windows 7 Service

The DNS Client service (dnscache) caches Domain Name System (DNS) names and registers the full computer name for your computer. If the service is stopped, DNS names will continue to be resolved. However, the results of DNS name queries will not be cached and the computer's name will not be registered. If the service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: DNS Client

Service name: Dnscache

Type: share


File: %WinDir%\System32\dnsrslvr.dll


Group: TDI






Default Behavior

The DNS Client service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the DNS Client fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Dnscache service has failed to start.

Dependencies

DNS Client will not start, if the following services are stopped or disabled:






Dynamic Volume Manager - Windows 7 Service

Extension of the volume manager driver that manages software RAID volumes (spanned, striped, mirrored, RAID-5) on dynamic disks.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Dynamic Volume Manager

Service name: volmgrx

Type: kernel

Path: %WinDir%\System32\drivers\volmgrx.sys



Default Behavior

The Dynamic Volume Manager service is a kernel driver. If the Dynamic Volume Manager fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail




to start. Do NOT change this service startup configuration if your computer is working.




EHome Infrared Receiver (USBCIR) - Windows 7 Service

USB Consumer IR Driver for eHome by Microsoft Corporation.


Startup Type








Default Properties

Display name: EHome Infrared Receiver (USBCIR)

Service name: usbcir

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbcir.sys



Default Behavior

The EHome Infrared Receiver (USBCIR) service is a kernel driver. If the EHome Infrared Receiver (USBCIR) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbcir service has failed to start.




Elxstor - Windows 7 Service

Storport Miniport Driver for LightPulse HBAs by Emulex.


Startup Type








Default Properties

Display name: Elxstor

Service name: elxstor

Type: kernel

Path: %WinDir%\system32\DRIVERS\elxstor.sys



Default Behavior

The Elxstor service is a kernel driver. If the Elxstor fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the elxstor service has failed to start.




Encrypting File System (EFS) - Windows 7 Service

Provides the core file encryption technology used to store encrypted files on NTFS file system volumes. If this service is stopped or disabled, applications will be unable to access encrypted files.


Startup Type








Default Properties

Display name: Encrypting File System (EFS)

Service name: EFS

Type: share

Path: %WinDir%\System32\lsass.exe


Object: LocalSystem

Privileges:

SeImpersonatePrivilege SeTcbPrivilege SeIncreaseQuotaPrivilege SeAssignPrimaryTokenPrivilege SeAuditPrivilege




Default Behavior

The Encrypting File System (EFS) service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Encrypting File System (EFS) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the EFS service has failed to start.

Dependencies

Encrypting File System (EFS) will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




ExFAT File System Driver - Windows 7 Service

exFAT File System Driver.


Startup Type








Default Properties

Display name: ExFAT File System Driver

Service name: exfat

Type: filesys



Default Behavior

The ExFAT File System Driver service is a file system driver. If the ExFAT File System Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the exfat service has failed to start.




Extensible Authentication Protocol - Windows 7 Service

The Extensible Authentication Protocol (EAP) service provides network authentication in such scenarios as 802.1x wired and wireless, VPN, and Network Access Protection (NAP). EAP also provides application programming interfaces (APIs) that are used by network access clients, including wireless and VPN clients, during the authentication process. If you disable this service, your computer is prevented from accessing networks that require EAP authentication.


Startup Type








Default Properties

Display name: Extensible Authentication Protocol

Service name: EapHost

Type: share


File: %WinDir%\System32\eapsvc.dll


Object: localSystem




Privileges:

SeTcbPrivilege SeDebugPrivilege SeImpersonatePrivilege

Default Behavior

The Extensible Authentication Protocol service runs as localSystem in a shared process. It shares an executable file with other services. If the Extensible Authentication Protocol fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the EapHost service has failed to start.

Dependencies

Extensible Authentication Protocol will not start, if the following services are stopped or disabled:

CNG Key Isolation


If the Extensible Authentication Protocol is stopped, the following services will not start and initialize:

Wired AutoConfig

WLAN AutoConfig




FAT12/16/32 File System Driver - Windows 7 Service

Note - dependance on CDROM.SYS only if required to read/write DVD-RAM media (which appears as CD class device). (Core) (All pieces).


Startup Type








Default Properties

Display name: FAT12/16/32 File System Driver

Service name: fastfat

Type: filesys



Default Behavior

The FAT12/16/32 File System Driver service is a file system driver. If the FAT12/16/32 File System Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the fastfat service has failed to start.




Fax - Windows 7 Service

Enables you to send and receive faxes, utilizing fax resources available on your computer or on the network.


Startup Type








Default Properties

Display name: Fax

Service name: Fax

Type: own

Path: %WinDir%\system32\fxssvc.exe



Privileges:

SeAssignPrimaryTokenPrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege




Default Behavior

The Fax service runs as NT AUTHORITY\NetworkService in its own process. It does not share an executable file with other services. If the Fax fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Fax service has failed to start.

Dependencies

Fax will not start, if the following services are stopped or disabled:

Plug and Play

Print Spooler


Telephony




File Information FS MiniFilter - Windows 7 Service

Collects information about files in memory to be consumed by other system services.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: File Information FS MiniFilter

Service name: FileInfo

Type: filesys

Path: %WinDir%\system32\drivers\fileinfo.sys


Group: FSFilter Bottom

Default Behavior

The File Information FS MiniFilter service is a file system driver. If the File Information FS MiniFilter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the FileInfo service has failed to start.




Dependencies

File Information FS MiniFilter will not start, if the FltMgr service is stopped or disabled.

If the File Information FS MiniFilter is stopped, the Superfetch fails to start and initialize.




File System Dependency Minifilter - Windows 7 Service

This minifilter tracks the dependencies associated with the various nested volumes/filesystems.


Startup Type








Default Properties

Display name: File System Dependency Minifilter

Service name: FsDepends

Type: filesys

Path: %WinDir%\System32\drivers\FsDepends.sys


Group: Filter

Default Behavior

The File System Dependency Minifilter service is a file system driver. If the File System Dependency Minifilter fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail





Dependencies

File System Dependency Minifilter will not start, if the FltMgr service is stopped or disabled.




Filetrace - Windows 7 Service

ETW File Trace Filter.


Startup Type








Default Properties

Display name: Filetrace

Service name: Filetrace

Type: filesys

Path: %WinDir%\system32\drivers\filetrace.sys


Group: FSFilter Activity Monitor

Default Behavior

The Filetrace service is a file system driver. If the Filetrace fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Filetrace service has failed to start.

Dependencies




Filetrace will not start, if the FltMgr service is stopped or disabled.




Floppy Disk Controller Driver - Windows 7 Service

Floppy Disk Controller Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Floppy Disk Controller Driver

Service name: fdc

Type: kernel

Path: %WinDir%\system32\DRIVERS\fdc.sys


Default Behavior

The Floppy Disk Controller Driver service is a kernel driver. If the Floppy Disk Controller Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the fdc service has failed to start.




Floppy Disk Driver - Windows 7 Service

Floppy Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Floppy Disk Driver

Service name: flpydisk

Type: kernel

Path: %WinDir%\system32\DRIVERS\flpydisk.sys


Default Behavior

The Floppy Disk Driver service is a kernel driver. If the Floppy Disk Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the flpydisk service has failed to start.




FltMgr - Windows 7 Service

File System Filter Manager Driver.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: FltMgr

Service name: FltMgr

Type: filesys

Path: %WinDir%\system32\drivers\fltmgr.sys


Group: FSFilter Infrastructure

Default Behavior

The FltMgr service is a file system driver. If the FltMgr fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Dependencies

If the FltMgr is stopped, the following services will not start and initialize:

AppID Driver

File Information FS MiniFilter

File System Dependency Minifilter

Filetrace

UAC File Virtualization




Function Discovery Provider Host - Windows 7 Service

The FDPHOST service hosts the Function Discovery (FD) network discovery providers. These FD providers supply network discovery services for the Simple Services Discovery Protocol (SSDP) and Web Services - Discovery (WS-D) protocol. Stopping or disabling the FDPHOST service will disable network discovery for these protocols when using FD. When this service is unavailable, network services using FD and relying on these discovery protocols will be unable to find network devices or resources.


Startup Type








Default Properties

Display name: Function Discovery Provider Host

Service name: fdPHost

Type: share


File: %WinDir%\system32\fdPHost.dll







Default Behavior

The Function Discovery Provider Host service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Function Discovery Provider Host fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the fdPHost service has failed to start.

Dependencies

Function Discovery Provider Host will not start, if the following services are stopped or disabled:

HTTP


If the Function Discovery Provider Host is stopped, the following services will not start and initialize:

HomeGroup Provider

Media Center Extender Service

PnP-X IP Bus Enumerator




Function Discovery Resource Publication - Windows 7 Service

Publishes your computer and resources attached to your computer so they can be discovered over the network. If this service is stopped, network resources will no longer be published and they will not be discovered by other computers on the network.


Startup Type








Default Properties

Display name: Function Discovery Resource Publication

Service

name: FDResPub

Type: share

Path: %WinDir%\system32\svchost.exe -k

LocalServiceAndNoImpersonation

File: %WinDir%\system32\fdrespub.dll







Default Behavior

The Function Discovery Resource Publication service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Function Discovery Resource Publication fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the FDResPub service has failed to start.

Dependencies

Function Discovery Resource Publication will not start, if the following services are stopped or disabled:

HTTP


If the Function Discovery Resource Publication is stopped, the HomeGroup

Provider fails to start and initialize.




Group Policy Client - Windows 7 Service

The service is responsible for applying settings configured by administrators for the computer and users through the Group Policy component. If the service is stopped or disabled, the settings will not be applied and applications and components will not be manageable through Group Policy. Any components or applications that depend on the Group Policy component might not be functional if the service is stopped or disabled.


Startup Type








Default Properties

Display name: Group Policy Client

Service name: gpsvc

Type: share


File: %WinDir%\System32\gpsvc.dll



Object: LocalSystem




Privileges:

SeImpersonatePrivilege SeTcbPrivilege SeTakeOwnershipPrivilege SeIncreaseQuotaPrivilege SeAssignPrimaryTokenPrivilege SeSecurityPrivilege SeChangeNotifyPrivilege SeCreatePermanentPrivilege SeShutdownPrivilege SeLoadDriverPrivilege SeRestorePrivilege SeBackupPrivilege

Default Behavior

The Group Policy Client service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Group Policy Client fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the gpsvc service has failed to start.

Dependencies

Group Policy Client will not start, if the following services are stopped or disabled:

Mup





Hardware Policy Driver - Windows 7 Service

Contains Processor and other policies.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Hardware Policy Driver

Service name: hwpolicy

Type: kernel

Path: %WinDir%\System32\drivers\hwpolicy.sys


Default Behavior

The Hardware Policy Driver service is a kernel driver. If the Hardware Policy Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the hwpolicy service has failed to start.




Hauppauge Consumer Infrared Receiver - Windows 7 Service

Hauppauge WinTV 885 Consumer IR Driver for eHome by Hauppauge Computer Works, Inc..


Startup Type








Default Properties

Display name: Hauppauge Consumer Infrared Receiver

Service name: hcw85cir

Type: kernel

Path: %WinDir%\system32\drivers\hcw85cir.sys



Default Behavior

The Hauppauge Consumer Infrared Receiver service is a kernel driver. If the Hauppauge Consumer Infrared Receiver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a




message box is displayed informing you that the hcw85cir service has failed to start.




Health Key and Certificate Management - Windows 7 Service

Provides X.509 certificate and key management services for the Network Access Protection Agent (NAPAgent). Enforcement technologies that use X.509 certificates may not function properly without this service.

This service also exists in Windows 8, Vista and XP.

Startup Type








Default Properties

Display name: Health Key and Certificate Management

Service name: hkmsvc

Type: share


File: %WinDir%\system32\kmsvc.dll


Object: localSystem





Default Behavior

The Health Key and Certificate Management service runs as localSystem in a shared process. It shares an executable file with other services. If the Health Key and Certificate Management fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the hkmsvc service has failed to start.

Dependencies

Health Key and Certificate Management will not start, if the Remote Procedure

Call (RPC) service is stopped or disabled.




HID UPS Battery Driver - Windows 7 Service

Hid Battery Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: HID UPS Battery Driver

Service name: HidBatt

Type: kernel

Path: %WinDir%\system32\DRIVERS\HidBatt.sys


Default Behavior

The HID UPS Battery Driver service is a kernel driver. If the HID UPS Battery Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HidBatt service has failed to start.




High-Capacity Floppy Disk Drive - Windows 7 Service

SCSI Floppy Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: High-Capacity Floppy Disk Drive

Service name: sfloppy

Type: kernel

Path: %WinDir%\system32\DRIVERS\sfloppy.sys


Default Behavior

The High-Capacity Floppy Disk Drive service is a kernel driver. If the High-Capacity Floppy Disk Drive fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sfloppy service has failed to start.




HomeGroup Listener - Windows 7 Service

Makes local computer changes associated with configuration and maintenance of the homegroup-joined computer. If this service is stopped or disabled, your computer will not work properly in a homegroup and your homegroup might not work properly. It is recommended that you keep this service running.


Startup Type








Default Properties

Display name: HomeGroup Listener

Service name: HomeGroupListener

Type: share


File: %WinDir%\System32\ListSvc.dll


Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeTcbPrivilege




Default Behavior

The HomeGroup Listener service runs as LocalSystem in a shared process. It shares an executable file with other services. If the HomeGroup Listener fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HomeGroupListener service has failed to start.

Dependencies

HomeGroup Listener will not start, if the Server service is stopped or disabled.




HomeGroup Provider - Windows 7 Service

Performs networking tasks associated with configuration and maintenance of homegroups. If this service is stopped or disabled, your computer will be unable to detect other homegroups and your homegroup might not work properly. It is recommended that you keep this service running.


Startup Type








Default Properties

Display name: HomeGroup Provider

Service name: HomeGroupProvider

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalServiceNetworkRestricted

File: %WinDir%\system32\provsvc.dll







Default Behavior

The HomeGroup Provider service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the HomeGroup Provider fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HomeGroupProvider service has failed to start.

Dependencies

HomeGroup Provider will not start, if the following services are stopped or disabled:

Function Discovery Provider Host

Function Discovery Resource Publication

Network List Service




HpSAMD - Windows 7 Service

Smart Array SAS/SATA Controller Media Driver by Hewlett-Packard Company.


Startup Type








Default Properties

Display name: HpSAMD

Service name: HpSAMD

Type: kernel

Path: %WinDir%\system32\DRIVERS\HpSAMD.sys



Default Behavior

The HpSAMD service is a kernel driver. If the HpSAMD fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HpSAMD service has failed to start.




HTTP - Windows 7 Service

This service implements the hypertext transfer protocol (HTTP). If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: HTTP

Service name: HTTP

Type: kernel

Path: %WinDir%\system32\drivers\HTTP.sys


Default Behavior

The HTTP service is a kernel driver. If the HTTP fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HTTP service has failed to start.

Dependencies




If the HTTP is stopped, the following services will not start and initialize:

BranchCache



Print Spooler

Routing and Remote Access

SSDP Discovery

UPnP Device Host

Windows Event Collector

Windows Media Player Network Sharing Service

Windows Remote Management (WS-Management)




Human Interface Device Access - Windows 7 Service

Enables generic input access to Human Interface Devices (HID), which activates and maintains the use of predefined hot buttons on keyboards, remote controls, and other multimedia devices. If this service is stopped, hot buttons controlled by this service will no longer function. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Human Interface Device Access

Service name: hidserv

Type: share

Path: %WinDir%\system32\svchost.exe -k LocalSystemNetworkRestricted

File: %WinDir%\system32\hidserv.dll


Object: LocalSystem





SeImpersonatePrivilege

Default Behavior

The Human Interface Device Access service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Human Interface Device Access fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the hidserv service has failed to start.




I8042 Keyboard and PS/2 Mouse Port Driver - Windows 7 Service

i8042 Port Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: I8042 Keyboard and PS/2 Mouse Port Driver

Service name: i8042prt

Type: kernel

Path: %WinDir%\system32\DRIVERS\i8042prt.sys


Group: Keyboard Port

Default Behavior

The I8042 Keyboard and PS/2 Mouse Port Driver service is a kernel driver. If the I8042 Keyboard and PS/2 Mouse Port Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the i8042prt service has failed to start.




IaStorV - Windows 7 Service

Intel Matrix Storage Manager driver - ia32 by Intel Corporation.


Startup Type








Default Properties

Display name: IaStorV

Service name: iaStorV

Type: kernel

Path: %WinDir%\system32\DRIVERS\iaStorV.sys



Default Behavior

The IaStorV service is a kernel driver. If the IaStorV fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the iaStorV service has failed to start.




IDE Channel - Windows 7 Service

ATAPI IDE Miniport Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: IDE Channel

Service name: atapi

Type: kernel

Path: %WinDir%\system32\DRIVERS\atapi.sys



Default Behavior

The IDE Channel service is a kernel driver. If the IDE Channel fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Iirsp - Windows 7 Service

Intel/ICP Raid Storport Driver by Intel Corp./ICP vortex GmbH.


Startup Type








Default Properties

Display name: Iirsp

Service name: iirsp

Type: kernel

Path: %WinDir%\system32\DRIVERS\iirsp.sys



Default Behavior

The Iirsp service is a kernel driver. If the Iirsp fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the iirsp service has failed to start.




IKE and AuthIP IPsec Keying Modules - Windows 7 Service

The IKEEXT service hosts the Internet Key Exchange (IKE) and Authenticated Internet Protocol (AuthIP) keying modules. These keying modules are used for authentication and key exchange in Internet Protocol security (IPsec). Stopping or disabling the IKEEXT service will disable IKE and AuthIP key exchange with peer computers. IPsec is typically configured to use IKE or AuthIP; therefore, stopping or disabling the IKEEXT service might result in an IPsec failure and might compromise the security of the system. It is strongly recommended that you have the IKEEXT service running.


Startup Type








Default Properties

Display name: IKE and AuthIP IPsec Keying Modules

Service name: IKEEXT

Type: share


File: %WinDir%\System32\ikeext.dll





Object: LocalSystem

Privileges:

SeAuditPrivilege SeImpersonatePrivilege SeTcbPrivilege SeDebugPrivilege

Default Behavior

The IKE and AuthIP IPsec Keying Modules service runs as LocalSystem in a shared process. It shares an executable file with other services. If the IKE and AuthIP IPsec Keying Modules fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the IKEEXT service has failed to start.

Dependencies

IKE and AuthIP IPsec Keying Modules will not start, if the Base Filtering Engine service is stopped or disabled.




Intel AGP Bus Filter - Windows 7 Service

440 NT AGP Filter by Microsoft Corporation.


Startup Type








Default Properties

Display name: Intel AGP Bus Filter

Service name: agp440

Type: kernel

Path: %WinDir%\system32\DRIVERS\agp440.sys


Group: PnP Filter

Default Behavior

The Intel AGP Bus Filter service is a kernel driver. If the Intel AGP Bus Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the agp440 service has failed to start.




Intelide - Windows 7 Service

Intel PCI IDE Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Intelide

Service name: intelide

Type: kernel

Path: %WinDir%\system32\DRIVERS\intelide.sys



Default Behavior

The Intelide service is a kernel driver. If the Intelide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Intel Processor Driver - Windows 7 Service



Startup Type








Default Properties

Display name: Intel Processor Driver

Service name: intelppm

Type: kernel

Path: %WinDir%\system32\DRIVERS\intelppm.sys



Default Behavior

The Intel Processor Driver service is a kernel driver. If the Intel Processor Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the intelppm service has failed to start.




Interactive Services Detection - Windows 7 Service

Enables user notification of user input for interactive services, which enables access to dialogs created by interactive services when they appear. If this service is stopped, notifications of new interactive service dialogs will no longer function and there might not be access to interactive service dialogs. If this service is disabled, both notifications of and access to new interactive service dialogs will no longer function.


Startup Type








Default Properties

Display name: Interactive Services Detection

Service name: UI0Detect

Type: interact

Path: %WinDir%\system32\UI0Detect.exe


Object: LocalSystem

Privileges: SeTcbPrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege




SeDebugPrivilege

Default Behavior

The Interactive Services Detection can interact with the desktop, receiving input from users. If the Interactive Services Detection fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the UI0Detect service has failed to start.




Internet Connection Sharing (ICS) - Windows 7 Service

Provides network address translation, addressing, name resolution and/or intrusion prevention services for a home or small office network.


Startup Type








Default Properties

Display name: Internet Connection Sharing (ICS)

Service name: SharedAccess

Type: share


File: %WinDir%\System32\ipnathlp.dll


Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeLoadDriverPrivilege SeTakeOwnershipPrivilege




Default Behavior

The Internet Connection Sharing (ICS) service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Internet Connection Sharing (ICS) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SharedAccess service has failed to start.

Dependencies

Internet Connection Sharing (ICS) will not start, if the following services are stopped or disabled:

Base Filtering Engine

Network Connections

Remote Access Connection Manager

Windows Management Instrumentation




IP Helper - Windows 7 Service

Provides tunnel connectivity using IPv6 transition technologies (6to4, ISATAP, Port Proxy, and Teredo), and IP-HTTPS. If this service is stopped, the computer will not have the enhanced connectivity benefits that these technologies offer.


Startup Type








Default Properties

Display name: IP Helper

Service name: iphlpsvc

Type: share

Path: %WinDir%\System32\svchost.exe -k NetSvcs

File: %WinDir%\System32\iphlpsvc.dll


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeImpersonatePrivilege SeLoadDriverPrivilege




Default Behavior

The IP Helper service runs as LocalSystem in a shared process. It shares an executable file with other services. If the IP Helper fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the iphlpsvc service has failed to start.

Dependencies

IP Helper will not start, if the following services are stopped or disabled:




TCP/IP Protocol Driver





IPMIDRV - Windows 7 Service

WMI IPMI DRIVER by Microsoft Corporation.


Startup Type








Default Properties

Display name: IPMIDRV

Service name: IPMIDRV

Type: kernel

Path: %WinDir%\system32\DRIVERS\IPMIDrv.sys


Default Behavior

The IPMIDRV service is a kernel driver. If the IPMIDRV fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the IPMIDRV service has failed to start.




IP Network Address Translator - Windows 7 Service

IP Network Address Translator by Microsoft Corporation.


Startup Type








Default Properties

Display name: IP Network Address Translator

Service name: IPNAT

Type: kernel

Path: %WinDir%\System32\drivers\ipnat.sys


Default Behavior

The IP Network Address Translator service is a kernel driver. If the IP Network Address Translator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the IPNAT service has failed to start.

Dependencies




IP Network Address Translator will not start, if the TCP/IP Protocol Driver service is stopped or disabled.




IPsec Policy Agent - Windows 7 Service

Internet Protocol security (IPsec) supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and replay protection. This service enforces IPsec policies created through the IP Security Policies snap-in or the command-line tool "netsh ipsec". If you stop this service, you may experience network connectivity issues if your policy requires that connections use IPsec. Also,remote management of Windows Firewall is not available when this service is stopped.


Startup Type








Default Properties

Display name: IPsec Policy Agent

Service

name: PolicyAgent

Type: share


NetworkServiceNetworkRestricted

File: %WinDir%\System32\ipsecsvc.dll






Privileges:

SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege

Default Behavior

The IPsec Policy Agent service runs as NT Authority\NetworkService in a shared process. It shares an executable file with other services. If the IPsec Policy Agent fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PolicyAgent service has failed to start.

Dependencies

IPsec Policy Agent will not start, if the following services are stopped or disabled:






IP Traffic Filter Driver - Windows 7 Service

IP Traffic Filter Driver.


Startup Type








Default Properties

Display name: IP Traffic Filter Driver

Service name: IpFilterDriver

Type: kernel

Path: %WinDir%\system32\DRIVERS\ipfltdrv.sys


Default Behavior

The IP Traffic Filter Driver service is a kernel driver. If the IP Traffic Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the IpFilterDriver service has failed to start.

Dependencies




IP Traffic Filter Driver will not start, if the TCP/IP Protocol Driver service is stopped or disabled.




IR Bus Enumerator - Windows 7 Service

IR Bus Enumerator.


Startup Type








Default Properties

Display name: IR Bus Enumerator

Service name: IRENUM

Type: kernel

Path: %WinDir%\system32\drivers\irenum.sys

Error control: ignore

Default Behavior

The IR Bus Enumerator service is a kernel driver. If the IR Bus Enumerator fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Isapnp - Windows 7 Service

PNP ISA Bus Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Isapnp

Service name: isapnp

Type: kernel

Path: %WinDir%\system32\DRIVERS\isapnp.sys


Group: Boot Bus Extender

Default Behavior

The Isapnp service is a kernel driver. If the Isapnp fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




IScsiPort Driver - Windows 7 Service

Microsoft iSCSI Initiator Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: IScsiPort Driver

Service name: iScsiPrt

Type: kernel

Path: %WinDir%\system32\DRIVERS\msiscsi.sys


Default Behavior

The IScsiPort Driver service is a kernel driver. If the IScsiPort Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the iScsiPrt service has failed to start.




Kernel Mode Driver Frameworks service - Windows 7 Service

Kernel Mode Driver Framework Runtime by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Kernel Mode Driver Frameworks service

Service name: Wdf01000

Type: kernel

Path: %WinDir%\system32\drivers\Wdf01000.sys


Group: WdfLoadGroup

Default Behavior

The Kernel Mode Driver Frameworks service is a kernel driver. If the Kernel Mode Driver Frameworks service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Wdf01000 service has failed to start.




Keyboard Class Driver - Windows 7 Service

Keyboard Class Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Keyboard Class Driver

Service name: kbdclass

Type: kernel

Path: %WinDir%\system32\DRIVERS\kbdclass.sys


Group: Keyboard Class

Default Behavior

The Keyboard Class Driver service is a kernel driver. If the Keyboard Class Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the kbdclass service has failed to start.




Keyboard HID Driver - Windows 7 Service

HID Keyboard Filter Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Keyboard HID Driver

Service name: kbdhid

Type: kernel

Path: %WinDir%\system32\DRIVERS\kbdhid.sys


Group: Keyboard Port

Default Behavior

The Keyboard HID Driver service is a kernel driver. If the Keyboard HID Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




KSecDD - Windows 7 Service

Kernel Security Support Provider Interface by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: KSecDD

Service name: KSecDD

Type: kernel

Path: %WinDir%\System32\Drivers\ksecdd.sys


Group: Base

Default Behavior

The KSecDD service is a kernel driver. If the KSecDD fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




KSecPkg - Windows 7 Service

Kernel Security Support Provider Interface Packages by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: KSecPkg

Service name: KSecPkg

Type: kernel

Path: %WinDir%\System32\Drivers\ksecpkg.sys


Group: Cryptography

Default Behavior

The KSecPkg service is a kernel driver. If the KSecPkg fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




KtmRm for Distributed Transaction Coordinator - Windows 7 Service

Coordinates transactions between the Distributed Transaction Coordinator (MSDTC) and the Kernel Transaction Manager (KTM). If it is not needed, it is recommended that this service remain stopped. If it is needed, both MSDTC and KTM will start this service automatically. If this service is disabled, any MSDTC transaction interacting with a Kernel Resource Manager will fail and any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display

name: KtmRm for Distributed Transaction Coordinator

Service

name: KtmRm

Type: share

Path: %WinDir%\System32\svchost.exe -k

NetworkServiceAndNoImpersonation

File: %WinDir%\system32\msdtckrm.dll







Default Behavior

The KtmRm for Distributed Transaction Coordinator service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the KtmRm for Distributed Transaction Coordinator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the KtmRm service has failed to start.

Dependencies

KtmRm for Distributed Transaction Coordinator will not start, if the following services are stopped or disabled:






LDDM Graphics Subsystem - Windows 7 Service

Controls the underlying video driver stacks to provide fully-featured display capabilities.


Startup Type








Default Properties

Display name: LDDM Graphics Subsystem

Service name: DXGKrnl

Type: kernel

Path: %WinDir%\System32\drivers\dxgkrnl.sys


Group: Video Init

Default Behavior

The LDDM Graphics Subsystem service is a kernel driver. If the LDDM Graphics Subsystem fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Link-Layer Topology Discovery Mapper - Windows 7 Service

Creates a Network Map, consisting of PC and device topology (connectivity) information, and metadata describing each PC and device. If this service is disabled, the Network Map will not function properly.


Startup Type








Default Properties

Display name: Link-Layer Topology Discovery Mapper

Service name: lltdsvc

Type: share


File: %WinDir%\System32\lltdsvc.dll



Privileges: SeImpersonatePrivilege SeChangeNotifyPrivilege




Default Behavior

The Link-Layer Topology Discovery Mapper service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Link-Layer Topology Discovery Mapper fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the lltdsvc service has failed to start.

Dependencies

Link-Layer Topology Discovery Mapper will not start, if the following services are stopped or disabled:

Link-Layer Topology Discovery Mapper I/O Driver





Link-Layer Topology Discovery Mapper I/O Driver - Windows 7 Service

Link-Layer Topology Mapper I/O Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Link-Layer Topology Discovery Mapper I/O Driver

Service name: lltdio

Type: kernel

Path: %WinDir%\system32\DRIVERS\lltdio.sys


Group: NDIS

Default Behavior

The Link-Layer Topology Discovery Mapper I/O Driver service is a kernel driver. If the Link-Layer Topology Discovery Mapper I/O Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the lltdio service has failed to start.




Dependencies

If the Link-Layer Topology Discovery Mapper I/O Driver is stopped, the following services will not start and initialize:

Link-Layer Topology Discovery Mapper

Quality Windows Audio Video Experience




Link-Layer Topology Discovery Responder - Windows 7 Service

Link-Layer Topology Responder Driver for NDIS 6 by Microsoft Corporation.


Startup Type








Default Properties

Display name: Link-Layer Topology Discovery Responder

Service name: rspndr

Type: kernel

Path: %WinDir%\system32\DRIVERS\rspndr.sys


Group: NDIS

Default Behavior

The Link-Layer Topology Discovery Responder service is a kernel driver. If the Link-Layer Topology Discovery Responder fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the rspndr service has failed to start.




LSI_FC - Windows 7 Service

LSI Fusion-MPT FC Driver (StorPort) by LSI Corporation.


Startup Type








Default Properties

Display name: LSI_FC

Service name: LSI_FC

Type: kernel

Path: %WinDir%\system32\DRIVERS\lsi_fc.sys



Default Behavior

The LSI_FC service is a kernel driver. If the LSI_FC fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LSI_FC service has failed to start.




LSI_SAS - Windows 7 Service

LSI Fusion-MPT SAS Driver (StorPort) by LSI Corporation.


Startup Type








Default Properties

Display name: LSI_SAS

Service name: LSI_SAS

Type: kernel

Path: %WinDir%\system32\DRIVERS\lsi_sas.sys



Default Behavior

The LSI_SAS service is a kernel driver. If the LSI_SAS fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LSI_SAS service has failed to start.




LSI_SAS2 - Windows 7 Service

LSI SAS Gen2 Driver (StorPort) by LSI Corporation.

This service also exists in Windows 8.

Startup Type








Default Properties

Display name: LSI_SAS2

Service name: LSI_SAS2

Type: kernel

Path: %WinDir%\system32\DRIVERS\lsi_sas2.sys



Default Behavior

The LSI_SAS2 service is a kernel driver. If the LSI_SAS2 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LSI_SAS2 service has failed to start.




LSI_SCSI - Windows 7 Service

LSI Fusion-MPT SCSI Driver (StorPort) by LSI Corporation.


Startup Type








Default Properties

Display name: LSI_SCSI

Service name: LSI_SCSI

Type: kernel

Path: %WinDir%\system32\DRIVERS\lsi_scsi.sys



Default Behavior

The LSI_SCSI service is a kernel driver. If the LSI_SCSI fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LSI_SCSI service has failed to start.




Media Center Extender Service - Windows 7 Service

Allows Media Center Extenders to locate and connect to the computer.


Startup Type








Default Properties

Display name: Media Center Extender Service

Service

name: Mcx2Svc

Type: share



File: %WinDir%\system32\Mcx2Svc.dll




Default Behavior




The Media Center Extender Service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Media Center Extender Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Mcx2Svc service has failed to start.

Dependencies

Media Center Extender Service will not start, if the following services are stopped or disabled:



Remote Desktop Services

SSDP Discovery




Megasas - Windows 7 Service

MEGASAS RAID Controller Driver for Windows 7 for x86 by LSI Corporation.


Startup Type








Default Properties

Display name: Megasas

Service name: megasas

Type: kernel

Path: %WinDir%\system32\DRIVERS\megasas.sys



Default Behavior

The Megasas service is a kernel driver. If the Megasas fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the megasas service has failed to start.




MegaSR - Windows 7 Service

LSI MegaRAID Software RAID Driver by LSI Corporation, Inc..


Startup Type








Default Properties

Display name: MegaSR

Service name: MegaSR

Type: kernel

Path: %WinDir%\system32\DRIVERS\MegaSR.sys



Default Behavior

The MegaSR service is a kernel driver. If the MegaSR fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MegaSR service has failed to start.




Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session) - Windows 7 Service

Microsoft NetbiosSmb Device Driver.


Startup Type








Default Properties

Display name: Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session)

Service name: Smb

Type: kernel

Path: %WinDir%\system32\DRIVERS\smb.sys


Group: PNP_TDI

Default Behavior

The Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session) service is a kernel driver. If the Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Smb service has failed to start.




Dependencies

Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB session) will not start, if the TCP/IP Protocol Driver service is stopped or disabled.




Microsoft .NET Framework NGEN v2.0.50727_X86 - Windows 7 Service

Microsoft .NET Framework NGEN.


Startup Type


Starter Manual Automatic (Delayed Start)

Home Basic Manual Automatic (Delayed Start)

Home Premium Manual Automatic (Delayed Start)




Default Properties

Display name: Microsoft .NET Framework NGEN v2.0.50727_X86

Service name: clr_optimization_v2.0.50727_32

Type: own

Path: %WinDir%\Microsoft.NET\Framework\v2.0.50727\mscorsvw.exe


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeChangeNotifyPrivilege SeIncreaseBasePriorityPrivilege SeIncreaseQuotaPrivilege

Default Behavior




The Microsoft .NET Framework NGEN v2.0.50727_X86 service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Microsoft .NET Framework NGEN v2.0.50727_X86 fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Microsoft ACPI Control Method Battery Driver - Windows 7 Service

Control Method Battery Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft ACPI Control Method Battery Driver

Service name: CmBatt

Type: kernel

Path: %WinDir%\system32\DRIVERS\CmBatt.sys


Default Behavior

The Microsoft ACPI Control Method Battery Driver service is a kernel driver. If the Microsoft ACPI Control Method Battery Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CmBatt service has failed to start.




Microsoft ACPI Driver - Windows 7 Service

ACPI Driver for NT by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Microsoft ACPI Driver

Service name: ACPI

Type: kernel

Path: %WinDir%\system32\DRIVERS\ACPI.sys



Default Behavior

The Microsoft ACPI Driver service is a kernel driver. If the Microsoft ACPI Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Microsoft AGPv3.5 Filter - Windows 7 Service

MS AGPv3.5 Filter by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft AGPv3.5 Filter

Service name: uagp35

Type: kernel

Path: %WinDir%\system32\DRIVERS\uagp35.sys


Group: PnP Filter

Default Behavior

The Microsoft AGPv3.5 Filter service is a kernel driver. If the Microsoft AGPv3.5 Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the uagp35 service has failed to start.




Microsoft Bluetooth HID Miniport - Windows 7 Service

Bluetooth Miniport Driver for HID Devices by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Bluetooth HID Miniport

Service name: HidBth

Type: kernel

Path: %WinDir%\system32\DRIVERS\hidbth.sys



Default Behavior

The Microsoft Bluetooth HID Miniport service is a kernel driver. If the Microsoft Bluetooth HID Miniport fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Microsoft Generic AGPv3.0 Filter for K8 Processor Platforms - Windows 7 Service

MS Generic AGPv3.0 Filter for K8/9 Processor Platforms by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Generic AGPv3.0 Filter for K8 Processor Platforms

Service name: gagp30kx

Type: kernel

Path: %WinDir%\system32\DRIVERS\gagp30kx.sys


Group: PnP Filter

Default Behavior

The Microsoft Generic AGPv3.0 Filter for K8 Processor Platforms service is a kernel driver. If the Microsoft Generic AGPv3.0 Filter for K8 Processor Platforms fails to load or initialize, the error is recorded into the Event Log.




Windows 7 startup should proceed, but a message box is displayed informing you that the gagp30kx service has failed to start.




Microsoft Hardware Error Device Driver - Windows 7 Service

Error Device Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Hardware Error Device Driver

Service name: ErrDev

Type: kernel

Path: %WinDir%\system32\DRIVERS\errdev.sys



Default Behavior

The Microsoft Hardware Error Device Driver service is a kernel driver. If the Microsoft Hardware Error Device Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ErrDev service has failed to start.




Microsoft HID Class Driver - Windows 7 Service

USB Miniport Driver for Input Devices by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft HID Class Driver

Service name: HidUsb

Type: kernel

Path: %WinDir%\system32\DRIVERS\hidusb.sys



Default Behavior

The Microsoft HID Class Driver service is a kernel driver. If the Microsoft HID Class Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Microsoft Infrared HID Driver - Windows 7 Service

Infrared Miniport Driver for Input Devices by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Infrared HID Driver

Service name: HidIr

Type: kernel

Path: %WinDir%\system32\DRIVERS\hidir.sys



Default Behavior

The Microsoft Infrared HID Driver service is a kernel driver. If the Microsoft Infrared HID Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Microsoft Input Configuration Driver - Windows 7 Service

Microsoft Multi-Touch HID Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Input Configuration Driver

Service name: MTConfig

Type: kernel

Path: %WinDir%\system32\DRIVERS\MTConfig.sys



Default Behavior

The Microsoft Input Configuration Driver service is a kernel driver. If the Microsoft Input Configuration Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MTConfig service has failed to start.




Microsoft IPv6 Protocol Driver - Windows 7 Service

Microsoft IPv6 Protocol Driver.


Startup Type








Default Properties

Display name: Microsoft IPv6 Protocol Driver

Service name: TCPIP6

Type: kernel

Path: %WinDir%\system32\DRIVERS\tcpip.sys


Default Behavior

The Microsoft IPv6 Protocol Driver service is a kernel driver. If the Microsoft IPv6 Protocol Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TCPIP6 service has failed to start.




Microsoft iSCSI Initiator Service - Windows 7 Service

Manages Internet SCSI (iSCSI) sessions from your computer to remote iSCSI target devices. If this service is stopped, your computer will not be able to login or access iSCSI targets. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Microsoft iSCSI Initiator Service

Service name: MSiSCSI

Type: share


File: %WinDir%\system32\iscsiexe.dll


Group: iSCSI

Object: LocalSystem





SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeCreatePermanentPrivilege SeImpersonatePrivilege SeTcbPrivilege

Default Behavior

The Microsoft iSCSI Initiator Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Microsoft iSCSI Initiator Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MSiSCSI service has failed to start.




Microsoft Monitor Class Function Driver Service - Windows 7 Service

Monitor Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Monitor Class Function Driver Service

Service name: monitor

Type: kernel

Path: %WinDir%\system32\DRIVERS\monitor.sys


Default Behavior

The Microsoft Monitor Class Function Driver Service is a kernel driver. If the Microsoft Monitor Class Function Driver Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the monitor service has failed to start.




Microsoft Software Shadow Copy Provider - Windows 7 Service

Manages software-based volume shadow copies taken by the Volume Shadow Copy service. If this service is stopped, software-based volume shadow copies cannot be managed. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Microsoft Software Shadow Copy Provider

Service name: swprv

Type: own

Path: %WinDir%\System32\svchost.exe -k swprv

File: %WinDir%\System32\swprv.dll


Object: LocalSystem

Privileges: SeBackupPrivilege SeChangeNotifyPrivilege




SeCreateGlobalPrivilege SeCreatePermanentPrivilege SeImpersonatePrivilege SeManageVolumePrivilege SeRestorePrivilege SeIncreaseBasePriorityPrivilege SeManageVolumePrivilege SeRestorePrivilege SeTcbPrivilege

Default Behavior

The Microsoft Software Shadow Copy Provider service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Microsoft Software Shadow Copy Provider fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the swprv service has failed to start.

Dependencies

Microsoft Software Shadow Copy Provider will not start, if the Remote

Procedure Call (RPC) service is stopped or disabled.




Microsoft System Management BIOS Driver - Windows 7 Service

System Management BIOS Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft System Management BIOS Driver

Service name: mssmbios

Type: kernel

Path: %WinDir%\system32\DRIVERS\mssmbios.sys


Default Behavior

The Microsoft System Management BIOS Driver service is a kernel driver. If the Microsoft System Management BIOS Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mssmbios service has failed to start.




Microsoft Tunnel Miniport Adapter Driver - Windows 7 Service

Microsoft Tunnel Interface Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Tunnel Miniport Adapter Driver

Service name: tunnel

Type: kernel

Path: %WinDir%\system32\DRIVERS\tunnel.sys


Group: NDIS

Default Behavior

The Microsoft Tunnel Miniport Adapter Driver service is a kernel driver. If the Microsoft Tunnel Miniport Adapter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the tunnel service has failed to start.




Microsoft UAA Bus Driver for High Definition Audio - Windows 7 Service

High Definition Audio Bus Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft UAA Bus Driver for High Definition Audio

Service name: HDAudBus

Type: kernel

Path: %WinDir%\system32\DRIVERS\HDAudBus.sys



Default Behavior

The Microsoft UAA Bus Driver for High Definition Audio service is a kernel driver. If the Microsoft UAA Bus Driver for High Definition Audio fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the HDAudBus service has failed to start.




Microsoft UMPass Driver - Windows 7 Service

Generic pass-through driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft UMPass Driver

Service name: UmPass

Type: kernel

Path: %WinDir%\system32\DRIVERS\umpass.sys



Default Behavior

The Microsoft UMPass Driver service is a kernel driver. If the Microsoft UMPass Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the UmPass service has failed to start.




Microsoft USB 2.0 Enhanced Host Controller Miniport Driver - Windows 7 Service

EHCI eUSB Miniport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB 2.0 Enhanced Host Controller Miniport Driver

Service name: usbehci

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbehci.sys


Group: Base

Default Behavior

The Microsoft USB 2.0 Enhanced Host Controller Miniport Driver service is a kernel driver. If the Microsoft USB 2.0 Enhanced Host Controller Miniport Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbehci service has failed to start.




Microsoft USB Generic Parent Driver - Windows 7 Service

USB Common Class Generic Parent Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB Generic Parent Driver

Service name: usbccgp

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbccgp.sys


Group: Base

Default Behavior

The Microsoft USB Generic Parent Driver service is a kernel driver. If the Microsoft USB Generic Parent Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbccgp service has failed to start.




Microsoft USB Open Host Controller Miniport Driver - Windows 7 Service

OHCI USB Miniport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB Open Host Controller Miniport Driver

Service name: usbohci

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbohci.sys


Group: Base

Default Behavior

The Microsoft USB Open Host Controller Miniport Driver service is a kernel driver. If the Microsoft USB Open Host Controller Miniport Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbohci service has failed to start.




Microsoft USB PRINTER Class - Windows 7 Service

USB Printer driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB PRINTER Class

Service name: usbprint

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbprint.sys



Default Behavior

The Microsoft USB PRINTER Class service is a kernel driver. If the Microsoft USB PRINTER Class fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbprint service has failed to start.




Microsoft USB Standard Hub Driver - Windows 7 Service

Default Hub Driver for USB by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB Standard Hub Driver

Service name: usbhub

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbhub.sys


Group: Base

Default Behavior

The Microsoft USB Standard Hub Driver service is a kernel driver. If the Microsoft USB Standard Hub Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbhub service has failed to start.




Microsoft USB Universal Host Controller Miniport Driver - Windows 7 Service

UHCI USB Miniport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft USB Universal Host Controller Miniport Driver

Service name: usbuhci

Type: kernel

Path: %WinDir%\system32\DRIVERS\usbuhci.sys


Group: Base

Default Behavior

The Microsoft USB Universal Host Controller Miniport Driver service is a kernel driver. If the Microsoft USB Universal Host Controller Miniport Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the usbuhci service has failed to start.




Microsoft Virtual Drive Enumerator Driver - Windows 7 Service

Virtual Drive Root Enumerator by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Microsoft Virtual Drive Enumerator Driver

Service name: vdrvroot

Type: kernel

Path: %WinDir%\system32\DRIVERS\vdrvroot.sys



Default Behavior

The Microsoft Virtual Drive Enumerator Driver service is a kernel driver. If the Microsoft Virtual Drive Enumerator Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this




service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Microsoft Windows Management Interface for ACPI - Windows 7 Service

Windows Management Interface for ACPI by Microsoft Corporation.


Startup Type








Default Properties

Display name: Microsoft Windows Management Interface for ACPI

Service name: WmiAcpi

Type: kernel

Path: %WinDir%\system32\DRIVERS\wmiacpi.sys



Default Behavior

The Microsoft Windows Management Interface for ACPI service is a kernel driver. If the Microsoft Windows Management Interface for ACPI fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WmiAcpi service has failed to start.




Modem - Windows 7 Service

Modem Device Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Modem

Service name: Modem

Type: kernel

Path: %WinDir%\system32\drivers\modem.sys


Group: Extended base

Default Behavior

The Modem service is a kernel driver. If the Modem fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Mount Point Manager - Windows 7 Service

Driver responsible with maintaining persistent drive letters and names for volumes.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Mount Point Manager

Service name: mountmgr

Type: kernel

Path: %WinDir%\System32\drivers\mountmgr.sys



Default Behavior

The Mount Point Manager service is a kernel driver. If the Mount Point Manager fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail




Mouse Class Driver - Windows 7 Service

Mouse Class Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Mouse Class Driver

Service name: mouclass

Type: kernel

Path: %WinDir%\system32\DRIVERS\mouclass.sys


Group: Pointer Class

Default Behavior

The Mouse Class Driver service is a kernel driver. If the Mouse Class Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mouclass service has failed to start.




Mouse HID Driver - Windows 7 Service

HID Mouse Filter Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Mouse HID Driver

Service name: mouhid

Type: kernel

Path: %WinDir%\system32\DRIVERS\mouhid.sys


Group: Pointer Port

Default Behavior

The Mouse HID Driver service is a kernel driver. If the Mouse HID Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Mpio - Windows 7 Service

MultiPath Support Bus-Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Mpio

Service name: mpio

Type: kernel

Path: %WinDir%\system32\DRIVERS\mpio.sys



Default Behavior

The Mpio service is a kernel driver. If the Mpio fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mpio service has failed to start.




Msahci - Windows 7 Service

MS AHCI 1.0 Standard Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Msahci

Service name: msahci

Type: kernel

Path: %WinDir%\system32\DRIVERS\msahci.sys



Default Behavior

The Msahci service is a kernel driver. If the Msahci fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Msdsm - Windows 7 Service

Microsoft Device Specific Module by Microsoft Corporation.


Startup Type








Default Properties

Display name: Msdsm

Service name: msdsm

Type: kernel

Path: %WinDir%\system32\DRIVERS\msdsm.sys



Default Behavior

The Msdsm service is a kernel driver. If the Msdsm fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the msdsm service has failed to start.




Msfs - Windows 7 Service


Startup Type








Default Properties

Display name: Msfs

Service name: Msfs

Type: filesys


Group: File system

Default Behavior

The Msfs service is a file system driver. If the Msfs fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Msfs service has failed to start.




Msisadrv - Windows 7 Service

ISA Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Msisadrv

Service name: msisadrv

Type: kernel

Path: %WinDir%\system32\DRIVERS\msisadrv.sys



Default Behavior

The Msisadrv service is a kernel driver. If the Msisadrv fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




MsRPC - Windows 7 Service


Startup Type








Default Properties

Display name: MsRPC

Service name: MsRPC

Type: kernel


Default Behavior

The MsRPC service is a kernel driver. If the MsRPC fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MsRPC service has failed to start.




Multimedia Class Scheduler - Windows 7 Service

Enables relative prioritization of work based on system-wide task priorities. This is intended mainly for multimedia applications. If this service is stopped, individual tasks resort to their default priority.


Startup Type








Default Properties

Display name: Multimedia Class Scheduler

Service name: MMCSS

Type: share


File: %WinDir%\system32\mmcss.dll


Object: LocalSystem

Privileges: SeIncreaseBasePriorityPrivilege SeImpersonatePrivilege

Default Behavior




The Multimedia Class Scheduler service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Multimedia Class Scheduler fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MMCSS service has failed to start.

Dependencies

If the Multimedia Class Scheduler is stopped, the Windows Audio fails to start and initialize.




Mup - Windows 7 Service

Multiple UNC Provider Driver.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Mup

Service name: Mup

Type: filesys

Path: %WinDir%\System32\Drivers\mup.sys


Group: Network

Default Behavior

The Mup service is a file system driver. If the Mup fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Mup service has failed to start.

Dependencies




If the Mup is stopped, the following services will not start and initialize:

DFS Namespace Client Driver

Group Policy Client

Redirected Buffering Sub Sysytem




NativeWiFi Filter - Windows 7 Service

NativeWiFi Miniport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: NativeWiFi Filter

Service name: NativeWifiP

Type: kernel

Path: %WinDir%\system32\DRIVERS\nwifi.sys


Group: NDIS

Default Behavior

The NativeWiFi Filter service is a kernel driver. If the NativeWiFi Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NativeWifiP service has failed to start.

Dependencies




If the NativeWiFi Filter is stopped, the WLAN AutoConfig fails to start and initialize.




NDIS Capture LightWeight Filter - Windows 7 Service

NDIS Capture LightWeight Filter.


Startup Type








Default Properties

Display name: NDIS Capture LightWeight Filter

Service name: NdisCap

Type: kernel

Path: %WinDir%\system32\DRIVERS\ndiscap.sys


Group: NDIS

Default Behavior

The NDIS Capture LightWeight Filter service is a kernel driver. If the NDIS Capture LightWeight Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NdisCap service has failed to start.




NDIS Proxy - Windows 7 Service


Startup Type








Default Properties

Display name: NDIS Proxy

Service name: NDProxy

Type: kernel


Group: PNP_TDI

Default Behavior

The NDIS Proxy service is a kernel driver. If the NDIS Proxy fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NDProxy service has failed to start.




NDIS System Driver - Windows 7 Service

NDIS System Driver.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: NDIS System Driver

Service name: NDIS

Type: kernel

Path: %WinDir%\system32\drivers\ndis.sys


Group: NDIS Wrapper

Default Behavior

The NDIS System Driver service is a kernel driver. If the NDIS System Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




NDIS Usermode I/O Protocol - Windows 7 Service

NDIS User mode I/O driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: NDIS Usermode I/O Protocol

Service name: Ndisuio

Type: kernel

Path: %WinDir%\system32\DRIVERS\ndisuio.sys


Group: NDIS

Default Behavior

The NDIS Usermode I/O Protocol service is a kernel driver. If the NDIS Usermode I/O Protocol fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Ndisuio service has failed to start.

Dependencies




If the NDIS Usermode I/O Protocol is stopped, the following services will not start and initialize:

Wired AutoConfig

WLAN AutoConfig

WWAN AutoConfig




Net.Tcp Port Sharing Service - Windows 7 Service

Provides ability to share TCP ports over the net.tcp protocol.


Startup Type








Default Properties

Display

name: Net.Tcp Port Sharing Service

Service

name: NetTcpPortSharing

Type: share

Path: %WinDir%\Microsoft.NET\Framework\v3.0\Windows Communication

Foundation\SMSvcHost.exe

Error

control: normal


Privileges: SeCreateGlobalPrivilege

Default Behavior




The Net.Tcp Port Sharing Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Net.Tcp Port Sharing Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NetTcpPortSharing service has failed to start.




NetBIOS Interface - Windows 7 Service

NetBIOS Interface.


Startup Type








Default Properties

Display name: NetBIOS Interface

Service name: NetBIOS

Type: filesys

Path: %WinDir%\system32\DRIVERS\netbios.sys


Group: NetBIOSGroup

Default Behavior

The NetBIOS Interface service is a file system driver. If the NetBIOS Interface fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NetBIOS service has failed to start.




NetBT - Windows 7 Service

This service implements NetBios over TCP/IP.


Startup Type








Default Properties

Display name: NetBT

Service name: NetBT

Type: kernel

Path: %WinDir%\System32\DRIVERS\netbt.sys


Group: PNP_TDI

Default Behavior

The NetBT service is a kernel driver. If the NetBT fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NetBT service has failed to start.

Dependencies




NetBT will not start, if the following services are stopped or disabled:



If the NetBT is stopped, the TCP/IP NetBIOS Helper fails to start and initialize.




NetIO Legacy TDI Support Driver - Windows 7 Service

NetIO Legacy TDI Support Driver.


Startup Type








Default Properties

Display name: NetIO Legacy TDI Support Driver

Service name: tdx

Type: kernel

Path: %WinDir%\system32\DRIVERS\tdx.sys


Group: PNP_TDI

Default Behavior

The NetIO Legacy TDI Support Driver service is a kernel driver. If the NetIO Legacy TDI Support Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the tdx service has failed to start.

Dependencies




NetIO Legacy TDI Support Driver will not start, if the TCP/IP Protocol Driver service is stopped or disabled.

If the NetIO Legacy TDI Support Driver is stopped, the following services will not start and initialize:

DHCP Client

DNS Client

IP Helper

NetBT




Netlogon - Windows 7 Service

Maintains a secure channel between your computer and the domain controller for authenticating users and services. If this service is stopped, the computer may not authenticate users and services and the domain controller cannot register DNS records. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Netlogon

Service name: Netlogon

Type: share



Group: MS_WindowsRemoteValidation

Object: LocalSystem

Default Behavior




The Netlogon service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Netlogon fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Netlogon service has failed to start.

Dependencies

Netlogon will not start, if the Workstation service is stopped or disabled.




Network Access Protection Agent - Windows 7 Service

The Network Access Protection (NAP) agent service collects and manages health information for client computers on a network. Information collected by NAP agent is used to make sure that the client computer has the required software and settings. If a client computer is not compliant with health policy, it can be provided with restricted network access until its configuration is updated. Depending on the configuration of health policy, client computers might be automatically updated so that users quickly regain full network access without having to manually update their computer.


Startup Type








Default Properties

Display name: Network Access Protection Agent

Service name: napagent

Type: share

Path: %WinDir%\System32\svchost.exe -k NetworkService

File: %WinDir%\system32\qagentRT.dll







Default Behavior

The Network Access Protection Agent service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Network Access Protection Agent fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the napagent service has failed to start.

Dependencies

Network Access Protection Agent will not start, if the Remote Procedure Call





Network Connections - Windows 7 Service

Manages objects in the Network and Dial-Up Connections folder, in which you can view both local area network and remote connections.


Startup Type








Default Properties

Display name: Network Connections

Service name: Netman

Type: share


File: %WinDir%\System32\netman.dll


Object: LocalSystem

Privileges:

SeImpersonatePrivilege SeChangeNotifyPrivilege SeLoadDriverPrivilege

Default Behavior




The Network Connections service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Network Connections fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Netman service has failed to start.

Dependencies

Network Connections will not start, if the following services are stopped or disabled:



If the Network Connections is stopped, the Internet Connection Sharing (ICS) fails to start and initialize.




Network List Service - Windows 7 Service

Identifies the networks to which the computer has connected, collects and stores properties for these networks, and notifies applications when these properties change.


Startup Type








Default Properties

Display name: Network List Service

Service name: netprofm

Type: share


File: %WinDir%\System32\netprofm.dll



Privileges: SeImpersonatePrivilege SeChangeNotifyPrivilege

Default Behavior




The Network List Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Network List Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the netprofm service has failed to start.

Dependencies

Network List Service will not start, if the following services are stopped or disabled:

Network Location Awareness


If the Network List Service is stopped, the HomeGroup Provider fails to start and initialize.




Network Location Awareness - Windows 7 Service

Collects and stores configuration information for the network and notifies programs when this information is modified. If this service is stopped, configuration information might be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Network Location Awareness

Service name: NlaSvc

Type: share




Privileges:

SeCreateGlobalPrivilege SeImpersonatePrivilege SeAuditPrivilege

Default Behavior




The Network Location Awareness service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Network Location Awareness fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NlaSvc service has failed to start.

Dependencies

Network Location Awareness will not start, if the following services are stopped or disabled:




If the Network Location Awareness is stopped, the following services will not start and initialize:


WWAN AutoConfig




Network Store Interface Service - Windows 7 Service

This service delivers network notifications (e.g. interface addition/deleting etc) to user mode clients. Stopping this service will cause loss of network connectivity. If this service is disabled, any other services that explicitly depend on this service will fail to start.


Startup Type








Default Properties

Display name: Network Store Interface Service

Service name: nsi

Type: share




Privileges: SeCreateGlobalPrivilege SeImpersonatePrivilege

Default Behavior




The Network Store Interface Service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Network Store Interface Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the nsi service has failed to start.

Dependencies

Network Store Interface Service will not start, if the NSI proxy service driver. service is stopped or disabled.

If the Network Store Interface Service is stopped, the following services will not start and initialize:

DHCP Client

DNS Client

IP Helper

Network Connections


Workstation




Nfrd960 - Windows 7 Service

IBM ServeRAID Controller Driver by IBM Corporation.


Startup Type








Default Properties

Display name: Nfrd960

Service name: nfrd960

Type: kernel

Path: %WinDir%\system32\DRIVERS\nfrd960.sys



Default Behavior

The Nfrd960 service is a kernel driver. If the Nfrd960 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the nfrd960 service has failed to start.




Npfs - Windows 7 Service


Startup Type








Default Properties

Display name: Npfs

Service name: Npfs

Type: filesys


Group: File system

Default Behavior

The Npfs service is a file system driver. If the Npfs fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Npfs service has failed to start.




NSI proxy service driver. - Windows 7 Service

NSI proxy service.


Startup Type








Default Properties

Display name: NSI proxy service driver.

Service name: nsiproxy

Type: kernel

Path: %WinDir%\system32\drivers\nsiproxy.sys


Default Behavior

The NSI proxy service driver. is a kernel driver. If the NSI proxy service driver. fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the nsiproxy service has failed to start.

Dependencies




If the NSI proxy service driver. is stopped, the Network Store Interface Service fails to start and initialize.




Ntfs - Windows 7 Service


Startup Type








Default Properties

Display name: Ntfs

Service name: Ntfs

Type: filesys



Default Behavior

The Ntfs service is a file system driver. If the Ntfs fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Ntfs service has failed to start.




Null - Windows 7 Service


Startup Type








Default Properties

Display name: Null

Service name: Null

Type: kernel


Group: Base

Default Behavior

The Null service is a kernel driver. If the Null fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Null service has failed to start.




NVIDIA nForce AGP Bus Filter - Windows 7 Service

NForce NT AGP Filter by Microsoft Corporation.


Startup Type








Default Properties

Display name: NVIDIA nForce AGP Bus Filter

Service name: nv_agp

Type: kernel

Path: %WinDir%\system32\DRIVERS\nv_agp.sys


Group: PnP Filter

Default Behavior

The NVIDIA nForce AGP Bus Filter service is a kernel driver. If the NVIDIA nForce AGP Bus Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the nv_agp service has failed to start.




Nvlddmkm - Windows 7 Service

NVIDIA Windows Kernel Mode Driver, Version 185.93 by NVIDIA Corporation.


Startup Type








Default Properties

Display name: Nvlddmkm

Service name: nvlddmkm

Type: kernel

Path: %WinDir%\system32\DRIVERS\nvlddmkm.sys


Group: Video

Default Behavior

The Nvlddmkm service is a kernel driver. If the Nvlddmkm fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Nvraid - Windows 7 Service

NVIDIA® nForce(TM) RAID Driver by NVIDIA Corporation.


Startup Type








Default Properties

Display name: Nvraid

Service name: nvraid

Type: kernel

Path: %WinDir%\system32\DRIVERS\nvraid.sys



Default Behavior

The Nvraid service is a kernel driver. If the Nvraid fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the nvraid service has failed to start.




Nvstor - Windows 7 Service

NVIDIA® nForce(TM) Sata Performance Driver by NVIDIA Corporation.


Startup Type








Default Properties

Display name: Nvstor

Service name: nvstor

Type: kernel

Path: %WinDir%\system32\DRIVERS\nvstor.sys



Default Behavior

The Nvstor service is a kernel driver. If the Nvstor fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Offline Files - Windows 7 Service

The Offline Files service performs maintenance activities on the Offline Files cache, responds to user logon and logoff events, implements the internals of the public API, and dispatches interesting events to those interested in Offline Files activities and changes in cache state.


Startup Type








Default Properties

Display name: Offline Files

Service name: CscService

Type: share


File: %WinDir%\System32\cscsvc.dll



Object: LocalSystem

Privileges: SeTcbPrivilege




SeImpersonatePrivilege SeIncreaseBasePriorityPrivilege

Default Behavior

The Offline Files service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Offline Files fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CscService service has failed to start.

Dependencies

Offline Files will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Offline Files Driver - Windows 7 Service

Allows network files to be used while the local computer is offline.


Startup Type








Default Properties

Display name: Offline Files Driver

Service name: CSC

Type: kernel

Path: %WinDir%\system32\drivers\csc.sys


Group: network

Default Behavior

The Offline Files Driver service is a kernel driver. If the Offline Files Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the CSC service has failed to start.

Dependencies




Offline Files Driver will not start, if the Redirected Buffering Sub Sysytem service is stopped or disabled.




Parallel port driver - Windows 7 Service

Parallel Port Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Parallel port driver

Service name: Parport

Type: kernel

Path: %WinDir%\system32\DRIVERS\parport.sys


Group: Parallel arbitrator

Default Behavior

The Parallel port driver service is a kernel driver. If the Parallel port driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies




If the Parallel port driver is stopped, the Parvdm fails to start and initialize.




Parental Controls - Windows 7 Service

This service is a stub for Windows Parental Control functionality that existed in Vista. It is provided for backward compatibility only.


Startup Type








Default Properties

Display name: Parental Controls

Service name: WPCSvc

Type: share


File: %WinDir%\System32\wpcsvc.dll



Privileges: SeImpersonatePrivilege

Default Behavior




The Parental Controls service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Parental Controls fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WPCSvc service has failed to start.

Dependencies

Parental Controls will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Partition Manager - Windows 7 Service

Disk class filter driver that auctions out partitions to volume managers.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Partition Manager

Service name: partmgr

Type: kernel

Path: %WinDir%\System32\drivers\partmgr.sys



Default Behavior

The Partition Manager service is a kernel driver. If the Partition Manager fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Parvdm - Windows 7 Service

VDM Parallel Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Parvdm

Service name: Parvdm

Type: kernel

Path: %WinDir%\system32\DRIVERS\parvdm.sys



Default Behavior

The Parvdm service is a kernel driver. If the Parvdm fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies




Parvdm will not start, if the Parallel port driver service is stopped or disabled.




PCI Bus Driver - Windows 7 Service

NT Plug and Play PCI Enumerator by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: PCI Bus Driver

Service name: pci

Type: kernel

Path: %WinDir%\system32\DRIVERS\pci.sys



Default Behavior

The PCI Bus Driver service is a kernel driver. If the PCI Bus Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Pciide - Windows 7 Service

Generic PCI IDE Bus Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Pciide

Service name: pciide

Type: kernel

Path: %WinDir%\system32\DRIVERS\pciide.sys



Default Behavior

The Pciide service is a kernel driver. If the Pciide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Pcmcia - Windows 7 Service

PCMCIA Bus Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Pcmcia

Service name: pcmcia

Type: kernel

Path: %WinDir%\system32\DRIVERS\pcmcia.sys



Default Behavior

The Pcmcia service is a kernel driver. If the Pcmcia fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the pcmcia service has failed to start.




PEAUTH - Windows 7 Service

Protected Environment Authentication and Authorization Export Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: PEAUTH

Service name: PEAUTH

Type: kernel

Path: %WinDir%\system32\drivers\peauth.sys


Default Behavior

The PEAUTH service is a kernel driver. If the PEAUTH fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PEAUTH service has failed to start.




Peer Name Resolution Protocol - Windows 7 Service

Enables serverless peer name resolution over the Internet using the Peer Name Resolution Protocol (PNRP). If disabled, some peer-to-peer and collaborative applications, such as Remote Assistance, may not function.


Startup Type








Default Properties

Display name: Peer Name Resolution Protocol

Service name: PNRPsvc

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalServicePeerNet

File: %WinDir%\system32\pnrpsvc.dll



Privileges:





Default Behavior

The Peer Name Resolution Protocol service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Peer Name Resolution Protocol fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PNRPsvc service has failed to start.

Dependencies

Peer Name Resolution Protocol will not start, if the Peer Networking Identity

Manager service is stopped or disabled.

If the Peer Name Resolution Protocol is stopped, the following services will not start and initialize:

Peer Networking Grouping

PNRP Machine Name Publication Service




Peer Networking Grouping - Windows 7 Service

Enables multi-party communication using Peer-to-Peer Grouping. If disabled, some applications, such as HomeGroup, may not function.


Startup Type








Default Properties

Display name: Peer Networking Grouping

Service name: p2psvc

Type: share


File: %WinDir%\system32\p2psvc.dll



Privileges:


Default Behavior




The Peer Networking Grouping service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Peer Networking Grouping fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the p2psvc service has failed to start.

Dependencies

Peer Networking Grouping will not start, if the following services are stopped or disabled:

Peer Name Resolution Protocol Peer Networking Identity Manager




Peer Networking Identity Manager - Windows 7 Service

Provides identity services for the Peer Name Resolution Protocol (PNRP) and Peer-to-Peer Grouping services. If disabled, the Peer Name Resolution Protocol (PNRP) and Peer-to-Peer Grouping services may not function, and some applications, such as HomeGroup and Remote Assistance, may not function correctly.


Startup Type








Default Properties

Display name: Peer Networking Identity Manager

Service name: p2pimsvc

Type: share


File: %WinDir%\system32\pnrpsvc.dll








Default Behavior

The Peer Networking Identity Manager service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Peer Networking Identity Manager fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the p2pimsvc service has failed to start.

Dependencies

If the Peer Networking Identity Manager is stopped, the following services will not start and initialize:

Peer Name Resolution Protocol Peer Networking Grouping




Performance Counters for Windows Driver - Windows 7 Service

Performance Counters for Windows Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Performance Counters for Windows Driver

Service name: pcw

Type: kernel

Path: %WinDir%\System32\drivers\pcw.sys


Group: Base

Default Behavior

The Performance Counters for Windows Driver service is a kernel driver. If the Performance Counters for Windows Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the pcw service has failed to start.




Performance Logs & Alerts - Windows 7 Service

Performance Logs and Alerts Collects performance data from local or remote computers based on preconfigured schedule parameters, then writes the data to a log or triggers an alert. If this service is stopped, performance information will not be collected. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Performance Logs & Alerts

Service name: pla

Type: share

Path: %WinDir%\System32\svchost.exe -k LocalServiceNoNetwork

File: %WinDir%\system32\pla.dll







Default Behavior

The Performance Logs & Alerts service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Performance Logs & Alerts fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the pla service has failed to start.

Dependencies

Performance Logs & Alerts will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Plug and Play - Windows 7 Service

Enables a computer to recognize and adapt to hardware changes with little or no user input. Stopping or disabling this service will result in system instability.


Startup Type








Default Properties

Display name: Plug and Play

Service name: PlugPlay

Type: share


File: %WinDir%\system32\umpnpmgr.dll


Group: PlugPlay

Object: LocalSystem

Privileges:

SeTcbPrivilege SeSecurityPrivilege SeAssignPrimaryTokenPrivilege SeTakeOwnershipPrivilege




SeLoadDriverPrivilege SeBackupPrivilege SeRestorePrivilege SeImpersonatePrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeUndockPrivilege SeDebugPrivilege SeShutdownPrivilege

Default Behavior

The Plug and Play service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Plug and Play fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PlugPlay service has failed to start.

Dependencies

If the Plug and Play is stopped, the following services will not start and initialize:

Fax

Smart Card

Tablet PC Input Service

Telephony

Virtual Disk

Windows Audio Endpoint Builder

Windows Driver Foundation - User-mode Driver Framework

WWAN AutoConfig




PnP-X IP Bus Enumerator - Windows 7 Service

The PnP-X bus enumerator service manages the virtual network bus. It discovers network connected devices using the SSDP/WS discovery protocols and gives them presence in PnP. If this service is stopped or disabled, presence of NCD devices will not be maintained in PnP. All pnpx based scenarios will stop functioning.


Startup Type








Default Properties

Display name: PnP-X IP Bus Enumerator

Service name: IPBusEnum

Type: share


File: %WinDir%\system32\ipbusenum.dll


Object: LocalSystem

Privileges: SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege




SeLoadDriverPrivilege

Default Behavior

The PnP-X IP Bus Enumerator service runs as LocalSystem in a shared process. It shares an executable file with other services. If the PnP-X IP Bus Enumerator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the IPBusEnum service has failed to start.

Dependencies

PnP-X IP Bus Enumerator will not start, if the following services are stopped or disabled:



If the PnP-X IP Bus Enumerator is stopped, the Media Center Extender Service fails to start and initialize.




PNRP Machine Name Publication Service - Windows 7 Service

This service publishes a machine name using the Peer Name Resolution Protocol. Configuration is managed via the netsh context 'p2p pnrp peer'.


Startup Type








Default Properties

Display name: PNRP Machine Name Publication Service

Service name: PNRPAutoReg

Type: share


File: %WinDir%\system32\pnrpauto.dll



Privileges:





Default Behavior

The PNRP Machine Name Publication Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the PNRP Machine Name Publication Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PNRPAutoReg service has failed to start.

Dependencies

PNRP Machine Name Publication Service will not start, if the Peer Name

Resolution Protocol service is stopped or disabled.




Portable Device Enumerator Service - Windows 7 Service

Enforces group policy for removable mass-storage devices. Enables applications such as Windows Media Player and Image Import Wizard to transfer and synchronize content using removable mass-storage devices.


Startup Type








Default Properties

Display name: Portable Device Enumerator Service

Service name: WPDBusEnum

Type: share


File: %WinDir%\system32\wpdbusenum.dll


Object: LocalSystem

Privileges: SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege




SeCreatePermanentPrivilege SeImpersonatePrivilege

Default Behavior

The Portable Device Enumerator Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Portable Device Enumerator Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WPDBusEnum service has failed to start.

Dependencies

Portable Device Enumerator Service will not start, if the Remote Procedure Call





Power - Windows 7 Service

Manages power policy and power policy notification delivery.


Startup Type








Default Properties

Display name: Power

Service name: Power

Type: share


File: %WinDir%\system32\umpo.dll


Group: Plugplay

Object: LocalSystem

Privileges:

SeTcbPrivilege SeSecurityPrivilege SeAssignPrimaryTokenPrivilege SeTakeOwnershipPrivilege SeLoadDriverPrivilege




SeBackupPrivilege SeRestorePrivilege SeImpersonatePrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeUndockPrivilege SeDebugPrivilege

Default Behavior

The Power service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Power fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Power service has failed to start.




Print Spooler - Windows 7 Service

Loads files to memory for later printing.


Startup Type








Default Properties

Display name: Print Spooler

Service name: Spooler

Type: interact

Path: %WinDir%\System32\spoolsv.exe


Group: SpoolerGroup

Object: LocalSystem

Privileges:

SeTcbPrivilege SeImpersonatePrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeAssignPrimaryTokenPrivilege SeLoadDriverPrivilege




Default Behavior

The Print Spooler service can interact with the desktop, receiving input from users. If the Print Spooler fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Spooler service has failed to start.

Dependencies

Print Spooler will not start, if the following services are stopped or disabled:

HTTP


If the Print Spooler is stopped, the Fax fails to start and initialize.




Problem Reports and Solutions Control Panel Support - Windows 7 Service

This service provides support for viewing, sending and deletion of system-level problem reports for the Problem Reports and Solutions control panel.


Startup Type








Default Properties

Display name: Problem Reports and Solutions Control Panel Support

Service name: wercplsupport

Type: share


File: %WinDir%\System32\wercplsupport.dll


Object: localSystem

Privileges: SeImpersonatePrivilege SeTcbPrivilege




Default Behavior

The Problem Reports and Solutions Control Panel Support service runs as localSystem in a shared process. It shares an executable file with other services. If the Problem Reports and Solutions Control Panel Support fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wercplsupport service has failed to start.




Processor Driver - Windows 7 Service



Startup Type








Default Properties

Display name: Processor Driver

Service name: Processor

Type: kernel

Path: %WinDir%\system32\DRIVERS\processr.sys



Default Behavior

The Processor Driver service is a kernel driver. If the Processor Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Processor service has failed to start.




Program Compatibility Assistant Service - Windows 7 Service

This service provides support for the Program Compatibility Assistant (PCA). PCA monitors programs installed and run by the user and detects known compatibility problems. If this service is stopped, PCA will not function properly.


Startup Type








Default Properties

Display name: Program Compatibility Assistant Service

Service name: PcaSvc

Type: share


File: %WinDir%\System32\pcasvc.dll


Object: LocalSystem

Privileges: SeDebugPrivilege




Default Behavior

The Program Compatibility Assistant Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Program Compatibility Assistant Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PcaSvc service has failed to start.

Dependencies

Program Compatibility Assistant Service will not start, if the Remote Procedure





Protected Storage - Windows 7 Service

Provides protected storage for sensitive data, such as passwords, to prevent access by unauthorized services, processes, or users.


Startup Type








Default Properties

Display name: Protected Storage

Service name: ProtectedStorage

Type: share



Object: LocalSystem

Default Behavior

The Protected Storage service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Protected Storage fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ProtectedStorage service has failed to start.




Dependencies

Protected Storage will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Ql40xx - Windows 7 Service

QLogic iSCSI Storport Miniport Driver by QLogic Corporation.


Startup Type








Default Properties

Display name: Ql40xx

Service name: ql40xx

Type: kernel

Path: %WinDir%\system32\DRIVERS\ql40xx.sys



Default Behavior

The Ql40xx service is a kernel driver. If the Ql40xx fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ql40xx service has failed to start.




Ql2300 - Windows 7 Service

QLogic Fibre Channel Stor Miniport Driver by QLogic Corporation.


Startup Type








Default Properties

Display name: Ql2300

Service name: ql2300

Type: kernel

Path: %WinDir%\system32\DRIVERS\ql2300.sys



Default Behavior

The Ql2300 service is a kernel driver. If the Ql2300 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ql2300 service has failed to start.




QoS Packet Scheduler - Windows 7 Service

QoS Packet Scheduler.


Startup Type








Default Properties

Display name: QoS Packet Scheduler

Service name: Psched

Type: kernel

Path: %WinDir%\system32\DRIVERS\pacer.sys


Group: NDIS

Default Behavior

The QoS Packet Scheduler service is a kernel driver. If the QoS Packet Scheduler fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Psched service has failed to start.

Dependencies




If the QoS Packet Scheduler is stopped, the Quality Windows Audio Video

Experience fails to start and initialize.




Quality Windows Audio Video Experience - Windows 7 Service

Quality Windows Audio Video Experience (qWave) is a networking platform for Audio Video (AV) streaming applications on IP home networks. qWave enhances AV streaming performance and reliability by ensuring network quality-of-service (QoS) for AV applications. It provides mechanisms for admission control, run time monitoring and enforcement, application feedback, and traffic prioritization.


Startup Type








Default Properties

Display name: Quality Windows Audio Video Experience

Service

name: QWAVE

Type: share



File: %windir%\system32\qwave.dll







Default Behavior

The Quality Windows Audio Video Experience service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Quality Windows Audio Video Experience fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the QWAVE service has failed to start.

Dependencies

Quality Windows Audio Video Experience will not start, if the following services are stopped or disabled:

Link-Layer Topology Discovery Mapper I/O Driver

QoS Packet Scheduler

QWAVE driver





QWAVE driver - Windows 7 Service

Quality Windows Audio/Video Experience component driver.


Startup Type








Default Properties

Display name: QWAVE driver

Service name: QWAVEdrv

Type: kernel

Path: %WinDir%\system32\drivers\qwavedrv.sys


Default Behavior

The QWAVE driver service is a kernel driver. If the QWAVE driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the QWAVEdrv service has failed to start.

Dependencies




If the QWAVE driver is stopped, the Quality Windows Audio Video Experience fails to start and initialize.




RAS Asynchronous Media Driver - Windows 7 Service

RAS Asynchronous Media Driver.


Startup Type








Default Properties

Display name: RAS Asynchronous Media Driver

Service name: AsyncMac

Type: kernel

Path: %WinDir%\system32\DRIVERS\asyncmac.sys


Default Behavior

The RAS Asynchronous Media Driver service is a kernel driver. If the RAS Asynchronous Media Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AsyncMac service has failed to start.




RDPCDD - Windows 7 Service

RDPDD Chained DD.


Startup Type








Default Properties

Display name: RDPCDD

Service name: RDPCDD

Type: kernel

Path: %WinDir%\System32\DRIVERS\RDPCDD.sys


Group: Video Save

Default Behavior

The RDPCDD service is a kernel driver. If the RDPCDD fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




RDP Encoder Mirror Driver - Windows 7 Service

RDP Encoder Mirror Driver.


Startup Type








Default Properties

Display name: RDP Encoder Mirror Driver

Service name: RDPENCDD

Type: kernel

Path: %WinDir%\system32\drivers\rdpencdd.sys


Group: Video Save

Default Behavior

The RDP Encoder Mirror Driver service is a kernel driver. If the RDP Encoder Mirror Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




RDP Winstation Driver - Windows 7 Service


Startup Type








Default Properties

Display name: RDP Winstation Driver

Service name: RDPWD

Type: kernel


Default Behavior

The RDP Winstation Driver service is a kernel driver. If the RDP Winstation Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




ReadyBoost - Windows 7 Service

ReadyBoost.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: ReadyBoost

Service name: rdyboost

Type: kernel

Path: %WinDir%\System32\drivers\rdyboost.sys


Group: PnP Filter

Default Behavior

The ReadyBoost service is a kernel driver. If the ReadyBoost fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Realtek 8167 NT Driver - Windows 7 Service

Realtek 8101E/8168/8169 NDIS 6.20 32-bit Driver by Realtek Corporation.


Startup Type








Default Properties

Display name: Realtek 8167 NT Driver

Service name: RTL8167

Type: kernel

Path: %WinDir%\system32\DRIVERS\Rt86win7.sys


Group: NDIS

Default Behavior

The Realtek 8167 NT Driver service is a kernel driver. If the Realtek 8167 NT Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RTL8167 service has failed to start.




Redirected Buffering Sub Sysytem - Windows 7 Service

Provides the framework for network mini-redirectors.


Startup Type








Default Properties

Display name: Redirected Buffering Sub Sysytem

Service name: rdbss

Type: filesys

Path: %WinDir%\system32\DRIVERS\rdbss.sys


Group: Network

Default Behavior

The Redirected Buffering Sub Sysytem service is a file system driver. If the Redirected Buffering Sub Sysytem fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the rdbss service has failed to start.




Dependencies

Redirected Buffering Sub Sysytem will not start, if the Mup service is stopped or disabled.

If the Redirected Buffering Sub Sysytem is stopped, the following services will not start and initialize:

Offline Files Driver

SMB MiniRedirector Wrapper and Engine

Terminal Server Device Redirector Driver

WebDav Client Redirector Driver




Reflector Display Driver used to gain access to graphics data - Windows 7 Service

RDP Reflector Driver Miniport.


Startup Type








Default Properties

Display name: Reflector Display Driver used to gain access to graphics data

Service name: RDPREFMP

Type: kernel

Path: %WinDir%\system32\drivers\rdprefmp.sys


Group: Video Save

Default Behavior

The Reflector Display Driver used to gain access to graphics data service is a kernel driver. If the Reflector Display Driver used to gain access to graphics data fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Remote Access Auto Connection Driver - Windows 7 Service

Remote Access Auto Connection Driver.


Startup Type








Default Properties

Display name: Remote Access Auto Connection Driver

Service name: RasAcd

Type: kernel

Path: %WinDir%\System32\DRIVERS\rasacd.sys


Group: Streams Drivers

Default Behavior

The Remote Access Auto Connection Driver service is a kernel driver. If the Remote Access Auto Connection Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasAcd service has failed to start.




Dependencies

If the Remote Access Auto Connection Driver is stopped, the Remote Access

Auto Connection Manager fails to start and initialize.




Remote Access Auto Connection Manager - Windows 7 Service

Creates a connection to a remote network whenever a program references a remote DNS or NetBIOS name or address.


Startup Type








Default Properties

Display name: Remote Access Auto Connection Manager

Service name: RasAuto

Type: share


File: %WinDir%\System32\rasauto.dll


Object: localSystem

Privileges:

SeImpersonatePrivilege SeTcbPrivilege SeIncreaseQuotaPrivilege SeChangeNotifyPrivilege




SeCreateGlobalPrivilege SeAssignPrimaryTokenPrivilege

Default Behavior

The Remote Access Auto Connection Manager service runs as localSystem in a shared process. It shares an executable file with other services. If the Remote Access Auto Connection Manager fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasAuto service has failed to start.

Dependencies

Remote Access Auto Connection Manager will not start, if the following services are stopped or disabled:

Remote Access Auto Connection Driver


Telephony




Remote Access Connection Manager - Windows 7 Service

Manages dial-up and virtual private network (VPN) connections from your computer to the Internet or other remote networks. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Remote Access Connection Manager

Service name: RasMan

Type: share


File: %WinDir%\System32\rasmans.dll


Object: localSystem

Privileges: SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeTcbPrivilege




SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeAssignPrimaryTokenPrivilege

Default Behavior

The Remote Access Connection Manager service runs as localSystem in a shared process. It shares an executable file with other services. If the Remote Access Connection Manager fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasMan service has failed to start.

Dependencies

Remote Access Connection Manager will not start, if the following services are stopped or disabled:

Secure Socket Tunneling Protocol Service

Telephony

If the Remote Access Connection Manager is stopped, the following services will not start and initialize:

Internet Connection Sharing (ICS)

Remote Access Auto Connection Manager





Remote Access IP ARP Driver - Windows 7 Service

Remote Access IP ARP Driver.


Startup Type








Default Properties

Display name: Remote Access IP ARP Driver

Service name: WANARP

Type: kernel

Path: %WinDir%\system32\DRIVERS\wanarp.sys


Default Behavior

The Remote Access IP ARP Driver service is a kernel driver. If the Remote Access IP ARP Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WANARP service has failed to start.




Remote Access IPv6 ARP Driver - Windows 7 Service

Remote Access IPv6 ARP Driver.


Startup Type








Default Properties

Display name: Remote Access IPv6 ARP Driver

Service name: Wanarpv6

Type: kernel

Path: %WinDir%\system32\DRIVERS\wanarp.sys


Default Behavior

The Remote Access IPv6 ARP Driver service is a kernel driver. If the Remote Access IPv6 ARP Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Wanarpv6 service has failed to start.




Remote Access NDIS TAPI Driver - Windows 7 Service

Remote Access NDIS TAPI Driver.


Startup Type








Default Properties

Display name: Remote Access NDIS TAPI Driver

Service name: NdisTapi

Type: kernel

Path: %WinDir%\system32\DRIVERS\ndistapi.sys


Default Behavior

The Remote Access NDIS TAPI Driver service is a kernel driver. If the Remote Access NDIS TAPI Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NdisTapi service has failed to start.




Remote Access NDIS WAN Driver - Windows 7 Service

Remote Access NDIS WAN Driver.


Startup Type








Default Properties

Display name: Remote Access NDIS WAN Driver

Service name: NdisWan

Type: kernel

Path: %WinDir%\system32\DRIVERS\ndiswan.sys


Default Behavior

The Remote Access NDIS WAN Driver service is a kernel driver. If the Remote Access NDIS WAN Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the NdisWan service has failed to start.




Remote Access PPPOE Driver - Windows 7 Service

Remote Access PPPOE Driver.


Startup Type








Default Properties

Display name: Remote Access PPPOE Driver

Service name: RasPppoe

Type: kernel

Path: %WinDir%\system32\DRIVERS\raspppoe.sys


Default Behavior

The Remote Access PPPOE Driver service is a kernel driver. If the Remote Access PPPOE Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasPppoe service has failed to start.




Remote Desktop Configuration - Windows 7 Service

Remote Desktop Configuration service (RDCS) is responsible for all Remote Desktop Services and Remote Desktop related configuration and session maintenance activities that require SYSTEM context. These include per-session temporary folders, RD themes, and RD certificates.


Startup Type








Default Properties

Display name: Remote Desktop Configuration

Service name: SessionEnv

Type: share


File: %WinDir%\system32\sessenv.dll


Object: localSystem

Privileges: SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege





Default Behavior

The Remote Desktop Configuration service runs as localSystem in a shared process. It shares an executable file with other services. If the Remote Desktop Configuration fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SessionEnv service has failed to start.

Dependencies

Remote Desktop Configuration will not start, if the following services are stopped or disabled:


Workstation




Remote Desktop Device Redirector Bus Driver - Windows 7 Service

Microsoft RDP Bus Device driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Remote Desktop Device Redirector Bus Driver

Service name: rdpbus

Type: kernel

Path: %WinDir%\system32\DRIVERS\rdpbus.sys


Default Behavior

The Remote Desktop Device Redirector Bus Driver service is a kernel driver. If the Remote Desktop Device Redirector Bus Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the rdpbus service has failed to start.




Remote Desktop Services - Windows 7 Service

Allows users to connect interactively to a remote computer. Remote Desktop and Remote Desktop Session Host Server depend on this service. To prevent remote use of your computer, clear the checkboxes on the Remote tab of the System properties control panel item.


Startup Type








Default Properties

Display name: Remote Desktop Services

Service name: TermService

Type: share


File: %WinDir%\System32\termsrv.dll



Privileges:

SeAssignPrimaryTokenPrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege




SeImpersonatePrivilege SeIncreaseQuotaPrivilege

Default Behavior

The Remote Desktop Services runs as NT Authority\NetworkService in a shared process. It shares an executable file with other services. If the Remote Desktop Services fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TermService service has failed to start.

Dependencies

Remote Desktop Services will not start, if the following services are stopped or disabled:


Terminal Device Driver

If the Remote Desktop Services is stopped, the following services will not start and initialize:


Remote Desktop Services UserMode Port Redirector




Remote Desktop Services Security Filter Driver - Windows 7 Service

Remote Desktop Services Security Filter Driver.


Startup Type








Default Properties

Display name: Remote Desktop Services Security Filter Driver

Service name: tssecsrv

Type: kernel

Path: %WinDir%\System32\DRIVERS\tssecsrv.sys


Default Behavior

The Remote Desktop Services Security Filter Driver is a kernel driver. If the Remote Desktop Services Security Filter Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Remote Desktop Services UserMode Port Redirector - Windows 7 Service

Allows the redirection of Printers/Drives/Ports for RDP connections.


Startup Type








Default Properties

Display name: Remote Desktop Services UserMode Port Redirector

Service name: UmRdpService

Type: share


File: %WinDir%\System32\umrdp.dll


Object: localSystem

Privileges:

SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeCreatePermanentPrivilege




SeLoadDriverPrivilege SeDebugPrivilege

Default Behavior

The Remote Desktop Services UserMode Port Redirector runs as localSystem in a shared process. It shares an executable file with other services. If the Remote Desktop Services UserMode Port Redirector fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the UmRdpService service has failed to start.

Dependencies

Remote Desktop Services UserMode Port Redirector will not start, if the following services are stopped or disabled:


Terminal Server Device Redirector Driver




Remote Desktop Video Miniport Driver - Windows 7 Service

Microsoft RDP Video Miniport driver by Microsoft Corporation.


Startup Type





Professional not exists not exists

Ultimate not exists Manual

Enterprise not exists Manual

Default Properties

Display name: Remote Desktop Video Miniport Driver

Service name: RdpVideoMiniport

Type: kernel

Path: %WinDir%\System32\drivers\rdpvideominiport.sys


Default Behavior

The Remote Desktop Video Miniport Driver service is a kernel driver. If the Remote Desktop Video Miniport Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RdpVideoMiniport service has failed to start.




Remote Procedure Call (RPC) - Windows 7 Service

The RPCSS service is the Service Control Manager for COM and DCOM servers. It performs object activations requests, object exporter resolutions and distributed garbage collection for COM and DCOM servers. If this service is stopped or disabled, programs using COM or DCOM will not function properly. It is strongly recommended that you have the RPCSS service running.


Startup Type








Default Properties

Display name: Remote Procedure Call (RPC)

Service name: RpcSs

Type: share

Path: %WinDir%\system32\svchost.exe -k rpcss

File: %WinDir%\system32\rpcss.dll







Privileges:


Default Behavior

The Remote Procedure Call (RPC) service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Remote Procedure Call (RPC) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RpcSs service has failed to start.

Dependencies

Remote Procedure Call (RPC) will not start, if the following services are stopped or disabled:

DCOM Server Process Launcher

RPC Endpoint Mapper

If the Remote Procedure Call (RPC) is stopped, the following services will not start and initialize:

ActiveX Installer (AxInstSV)

Application Identity

Application Information

Background Intelligent Transfer Service


Bluetooth Support Service

Certificate Propagation

CNG Key Isolation

COM+ Event System

COM+ System Application

Credential Manager

Cryptographic Services

Disk Defragmenter

Distributed Link Tracking Client

Distributed Transaction Coordinator

Encrypting File System (EFS)

Extensible Authentication Protocol

Fax



Group Policy Client




Health Key and Certificate Management

IP Helper

KtmRm for Distributed Transaction Coordinator

Link-Layer Topology Discovery Mapper

Microsoft Software Shadow Copy Provider

Network Access Protection Agent

Network Connections



Offline Files

Parental Controls

Performance Logs & Alerts


Portable Device Enumerator Service

Print Spooler

Program Compatibility Assistant Service

Protected Storage

Quality Windows Audio Video Experience

Remote Desktop Configuration


Remote Registry



Security Center

Shell Hardware Detection

Smart Card Removal Policy

Software Protection

Superfetch

Tablet PC Input Service

Task Scheduler

Telephony

User Profile Service

Virtual Disk

Volume Shadow Copy

Windows Audio

Windows Backup

Windows Biometric Service

Windows Color System

Windows Connect Now - Config Registrar

Windows Defender

Windows Image Acquisition (WIA)

Windows Installer


Windows Media Center Receiver Service

Windows Media Center Scheduler Service




Windows Remote Management (WS-Management)

Windows Search

Windows Update

Wired AutoConfig

WLAN AutoConfig

WWAN AutoConfig




Remote Procedure Call (RPC) Locator - Windows 7 Service

In Windows 2003 and earlier versions of Windows, the Remote Procedure Call (RPC) Locator service manages the RPC name service database. In Windows Vista and later versions of Windows, this service does not provide any functionality and is present for application compatibility.


Startup Type








Default Properties

Display name: Remote Procedure Call (RPC) Locator

Service name: RpcLocator

Type: own

Path: %WinDir%\system32\locator.exe




Default Behavior




The Remote Procedure Call (RPC) Locator service runs as NT AUTHORITY\NetworkService in its own process. It does not share an executable file with other services. If the Remote Procedure Call (RPC) Locator fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RpcLocator service has failed to start.




Remote Registry - Windows 7 Service

Enables remote users to modify registry settings on your computer. If this service is stopped, the registry can be modified only by users on your computer. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Remote Registry

Service name: RemoteRegistry

Type: share

Path: %WinDir%\system32\svchost.exe -k regsvc

File: %WinDir%\system32\regsvc.dll



Privileges: SeCreateGlobalPrivilege SeImpersonatePrivilege




Default Behavior

The Remote Registry service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Remote Registry fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RemoteRegistry service has failed to start.

Dependencies

Remote Registry will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Routing and Remote Access - Windows 7 Service

Offers routing services to businesses in local area and wide area network environments.


Startup Type








Default Properties

Display name: Routing and Remote Access

Service name: RemoteAccess

Type: share


File: %WinDir%\System32\mprdim.dll


Object: localSystem

Privileges:

SeChangeNotifyPrivilege SeLoadDriverPrivilege SeImpersonatePrivilege SeAuditPrivilege




Default Behavior

The Routing and Remote Access service runs as localSystem in a shared process. It shares an executable file with other services. If the Routing and Remote Access fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RemoteAccess service has failed to start.

Dependencies

Routing and Remote Access will not start, if the following services are stopped or disabled:


HTTP



NetBIOS Interface




RPC Endpoint Mapper - Windows 7 Service

Resolves RPC interfaces identifiers to transport endpoints. If this service is stopped or disabled, programs using Remote Procedure Call (RPC) services will not function properly.


Startup Type








Default Properties

Display name: RPC Endpoint Mapper

Service name: RpcEptMapper

Type: share

Path: %WinDir%\system32\svchost.exe -k RPCSS

File: %WinDir%\System32\RpcEpMap.dll









Default Behavior

The RPC Endpoint Mapper service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the RPC Endpoint Mapper fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RpcEptMapper service has failed to start.

Dependencies

If the RPC Endpoint Mapper is stopped, the Remote Procedure Call (RPC) fails to start and initialize.




S3cap - Windows 7 Service

Microsoft S3 Emulated Device Cap Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: S3cap

Service name: s3cap

Type: kernel

Path: %WinDir%\system32\DRIVERS\vms3cap.sys


Group: Video

Default Behavior

The S3cap service is a kernel driver. If the S3cap fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the s3cap service has failed to start.




Sbp2port - Windows 7 Service

SBP-2 Protocol Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Sbp2port

Service name: sbp2port

Type: kernel

Path: %WinDir%\system32\DRIVERS\sbp2port.sys


Default Behavior

The Sbp2port service is a kernel driver. If the Sbp2port fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sbp2port service has failed to start.




Secondary Logon - Windows 7 Service

Enables starting processes under alternate credentials. If this service is stopped, this type of logon access will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Secondary Logon

Service name: seclogon

Type: share


File: %windir%\system32\seclogon.dll


Object: LocalSystem

Privileges:

SeTcbPrivilege SeRestorePrivilege SeBackupPrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege





Default Behavior

The Secondary Logon service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Secondary Logon fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the seclogon service has failed to start.




Secure Socket Tunneling Protocol Service - Windows 7 Service

Provides support for the Secure Socket Tunneling Protocol (SSTP) to connect to remote computers using VPN. If this service is disabled, users will not be able to use SSTP to access remote servers.


Startup Type








Default Properties

Display name: Secure Socket Tunneling Protocol Service

Service name: SstpSvc

Type: share


File: %WinDir%\system32\sstpsvc.dll







Default Behavior

The Secure Socket Tunneling Protocol Service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Secure Socket Tunneling Protocol Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SstpSvc service has failed to start.

Dependencies

If the Secure Socket Tunneling Protocol Service is stopped, the Remote Access

Connection Manager fails to start and initialize.




Security Accounts Manager - Windows 7 Service

The startup of this service signals other services that the Security Accounts Manager (SAM) is ready to accept requests. Disabling this service will prevent other services in the system from being notified when the SAM is ready, which may in turn cause those services to fail to start correctly. This service should not be disabled.


Startup Type








Default Properties

Display name: Security Accounts Manager

Service name: SamSs

Type: share



Group: MS_WindowsLocalValidation

Object: LocalSystem

Default Behavior




The Security Accounts Manager service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Security Accounts Manager fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SamSs service has failed to start.

Dependencies

Security Accounts Manager will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Security Accounts Manager is stopped, the following services will not start and initialize:

Distributed Transaction Coordinator

KtmRm for Distributed Transaction Coordinator

Server




Security Center - Windows 7 Service

The WSCSVC (Windows Security Center) service monitors and reports security health settings on the computer. The health settings include firewall (on/off), antivirus (on/off/out of date), antispyware (on/off/out of date), Windows Update (automatically/manually download and install updates), User Account Control (on/off), and Internet settings (recommended/not recommended). The service provides COM APIs for independent software vendors to register and record the state of their products to the Security Center service. The Action Center (AC) UI uses the service to provide systray alerts and a graphical view of the security health states in the AC control panel. Network Access Protection (NAP) uses the service to report the security health states of clients to the NAP Network Policy Server to make network quarantine decisions. The service also has a public API that allows external consumers to programmatically retrieve the aggregated security health state of the system.


Startup Type








Default Properties

Display name: Security Center

Service name: wscsvc

Type: share





File: %WinDir%\System32\wscsvc.dll




Default Behavior

The Security Center service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Security Center fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wscsvc service has failed to start.

Dependencies

Security Center will not start, if the following services are stopped or disabled:






Security Driver - Windows 7 Service


Startup Type








Default Properties

Display name: Security Driver

Service name: secdrv

Type: kernel


Default Behavior

The Security Driver service is a kernel driver. If the Security Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the secdrv service has failed to start.




Security Processor Loader Driver - Windows 7 Service


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Security Processor Loader Driver

Service name: spldr

Type: kernel


Default Behavior

The Security Processor Loader Driver service is a kernel driver. If the Security Processor Loader Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Serenum Filter Driver - Windows 7 Service

Serial Port Enumerator by Microsoft Corporation.


Startup Type








Default Properties

Display name: Serenum Filter Driver

Service name: Serenum

Type: kernel

Path: %WinDir%\system32\DRIVERS\serenum.sys


Group: PNP Filter

Default Behavior

The Serenum Filter Driver service is a kernel driver. If the Serenum Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Serenum service has failed to start.




Serial Mouse Driver - Windows 7 Service

Serial Mouse Filter Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Serial Mouse Driver

Service name: sermouse

Type: kernel

Path: %WinDir%\system32\DRIVERS\sermouse.sys


Group: Pointer Port

Default Behavior

The Serial Mouse Driver service is a kernel driver. If the Serial Mouse Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sermouse service has failed to start.




Serial Port Driver - Windows 7 Service

Serial Device Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Serial Port Driver

Service name: Serial

Type: kernel

Path: %WinDir%\system32\DRIVERS\serial.sys


Group: Extended base

Default Behavior

The Serial Port Driver service is a kernel driver. If the Serial Port Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Server - Windows 7 Service

Supports file, print, and named-pipe sharing over the network for your computer. If this service is stopped, these functions will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Server

Service name: LanmanServer

Type: share


File: %WinDir%\system32\srvsvc.dll


Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeAuditPrivilege SeLoadDriverPrivilege




Default Behavior

The Server service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Server fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LanmanServer service has failed to start.

Dependencies

Server will not start, if the following services are stopped or disabled:


Server SMB 1.xxx Driver

If the Server is stopped, the following services will not start and initialize:

Computer Browser

HomeGroup Listener




Server SMB 1.xxx Driver - Windows 7 Service

Enables connectivity from Windows XP and earlier clients.


Startup Type








Default Properties

Display name: Server SMB 1.xxx Driver

Service name: srv

Type: filesys

Path: %WinDir%\System32\DRIVERS\srv.sys


Group: Network

Default Behavior

The Server SMB 1.xxx Driver service is a file system driver. If the Server SMB 1.xxx Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the srv service has failed to start.

Dependencies




Server SMB 1.xxx Driver will not start, if the Server SMB 2.xxx Driver service is stopped or disabled.

If the Server SMB 1.xxx Driver is stopped, the Server fails to start and initialize.




Server SMB 2.xxx Driver - Windows 7 Service

Enables connectivity from Windows Vista and later clients.


Startup Type








Default Properties

Display name: Server SMB 2.xxx Driver

Service name: srv2

Type: filesys

Path: %WinDir%\System32\DRIVERS\srv2.sys


Group: Network

Default Behavior

The Server SMB 2.xxx Driver service is a file system driver. If the Server SMB 2.xxx Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the srv2 service has failed to start.

Dependencies




Server SMB 2.xxx Driver will not start, if the Srvnet service is stopped or disabled.

If the Server SMB 2.xxx Driver is stopped, the Server SMB 1.xxx Driver fails to start and initialize.




SFF Storage Class Driver - Windows 7 Service

Small Form Factor Disk Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: SFF Storage Class Driver

Service name: sffdisk

Type: kernel

Path: %WinDir%\system32\DRIVERS\sffdisk.sys


Default Behavior

The SFF Storage Class Driver service is a kernel driver. If the SFF Storage Class Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sffdisk service has failed to start.




SFF Storage Protocol Driver for MMC - Windows 7 Service

Small Form Factor MMC Protocol Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: SFF Storage Protocol Driver for MMC

Service name: sffp_mmc

Type: kernel

Path: %WinDir%\system32\DRIVERS\sffp_mmc.sys


Default Behavior

The SFF Storage Protocol Driver for MMC service is a kernel driver. If the SFF Storage Protocol Driver for MMC fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sffp_mmc service has failed to start.




SFF Storage Protocol Driver for SDBus - Windows 7 Service

Small Form Factor SD Protocol Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: SFF Storage Protocol Driver for SDBus

Service name: sffp_sd

Type: kernel

Path: %WinDir%\system32\DRIVERS\sffp_sd.sys


Default Behavior

The SFF Storage Protocol Driver for SDBus service is a kernel driver. If the SFF Storage Protocol Driver for SDBus fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sffp_sd service has failed to start.




Shell Hardware Detection - Windows 7 Service

Provides notifications for AutoPlay hardware events.


Startup Type








Default Properties

Display name: Shell Hardware Detection

Service name: ShellHWDetection

Type: share


File: %WinDir%\System32\shsvcs.dll


Group: ShellSvcGroup

Object: LocalSystem


Default Behavior




The Shell Hardware Detection service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Shell Hardware Detection fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies

Shell Hardware Detection will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Shell Hardware Detection is stopped, the Windows Image Acquisition

(WIA) fails to start and initialize.




SIS AGP Bus Filter - Windows 7 Service

SIS NT AGP Filter by Microsoft Corporation.


Startup Type








Default Properties

Display name: SIS AGP Bus Filter

Service name: sisagp

Type: kernel

Path: %WinDir%\system32\DRIVERS\sisagp.sys


Group: PnP Filter

Default Behavior

The SIS AGP Bus Filter service is a kernel driver. If the SIS AGP Bus Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sisagp service has failed to start.




SiSRaid2 - Windows 7 Service

SiS RAID Stor Miniport Driver by Silicon Integrated Systems Corp..


Startup Type








Default Properties

Display name: SiSRaid2

Service name: SiSRaid2

Type: kernel

Path: %WinDir%\system32\DRIVERS\SiSRaid2.sys



Default Behavior

The SiSRaid2 service is a kernel driver. If the SiSRaid2 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SiSRaid2 service has failed to start.




SiSRaid4 - Windows 7 Service

SiS AHCI Stor-Miniport Driver by Silicon Integrated Systems.


Startup Type








Default Properties

Display name: SiSRaid4

Service name: SiSRaid4

Type: kernel

Path: %WinDir%\system32\DRIVERS\sisraid4.sys



Default Behavior

The SiSRaid4 service is a kernel driver. If the SiSRaid4 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SiSRaid4 service has failed to start.




Smart Card - Windows 7 Service

Manages access to smart cards read by your computer. If this service is stopped, your computer will be unable to read smart cards. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Smart Card

Service

name: SCardSvr

Type: share



File: %WinDir%\System32\SCardSvr.dll


Group: SmartCardGroup





Privileges: SeCreateGlobalPrivilege SeChangeNotifyPrivilege

Default Behavior

The Smart Card service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Smart Card fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SCardSvr service has failed to start.

Dependencies

Smart Card will not start, if the Plug and Play service is stopped or disabled.




Smart card PnP Class Filter Driver - Windows 7 Service

Smart card reader filter driver enabling smart card PnP.


Startup Type








Default Properties

Display name: Smart card PnP Class Filter Driver

Service name: scfilter

Type: kernel

Path: %WinDir%\System32\DRIVERS\scfilter.sys


Group: PnP Filter

Default Behavior

The Smart card PnP Class Filter Driver service is a kernel driver. If the Smart card PnP Class Filter Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the scfilter service has failed to start.




Smart Card Removal Policy - Windows 7 Service

Allows the system to be configured to lock the user desktop upon smart card removal.


Startup Type








Default Properties

Display name: Smart Card Removal Policy

Service name: SCPolicySvc

Type: share


File: %WinDir%\System32\certprop.dll


Object: LocalSystem

Privileges:

SeCreateGlobalPrivilege SeTcbPrivilege SeChangeNotifyPrivilege SeImpersonatePrivilege




Default Behavior

The Smart Card Removal Policy service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Smart Card Removal Policy fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SCPolicySvc service has failed to start.

Dependencies

Smart Card Removal Policy will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




SMB 1.x MiniRedirector - Windows 7 Service

Implements the SMB 1.x (CIFS) protocol. This protocol provides connectivity to network resources on pre-Windows Vista servers.


Startup Type








Default Properties

Display name: SMB 1.x MiniRedirector

Service name: mrxsmb10

Type: filesys

Path: %WinDir%\system32\DRIVERS\mrxsmb10.sys


Group: Network

Default Behavior

The SMB 1.x MiniRedirector service is a file system driver. If the SMB 1.x MiniRedirector fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mrxsmb10 service has failed to start.




Dependencies

SMB 1.x MiniRedirector will not start, if the SMB MiniRedirector Wrapper and

Engine service is stopped or disabled.

If the SMB 1.x MiniRedirector is stopped, the Workstation fails to start and initialize.




SMB 2.0 MiniRedirector - Windows 7 Service

Implements the SMB 2.0 protocol, which provides connectivity to network resources on Windows Vista and later servers.


Startup Type








Default Properties

Display name: SMB 2.0 MiniRedirector

Service name: mrxsmb20

Type: filesys

Path: %WinDir%\system32\DRIVERS\mrxsmb20.sys


Group: Network

Default Behavior

The SMB 2.0 MiniRedirector service is a file system driver. If the SMB 2.0 MiniRedirector fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mrxsmb20 service has failed to start.




Dependencies

SMB 2.0 MiniRedirector will not start, if the SMB MiniRedirector Wrapper and

Engine service is stopped or disabled.

If the SMB 2.0 MiniRedirector is stopped, the Workstation fails to start and initialize.




SMB MiniRedirector Wrapper and Engine - Windows 7 Service

Implements the framework for the SMB filesystem redirector.


Startup Type








Default Properties

Display name: SMB MiniRedirector Wrapper and Engine

Service name: mrxsmb

Type: filesys

Path: %WinDir%\system32\DRIVERS\mrxsmb.sys


Group: Network

Default Behavior

The SMB MiniRedirector Wrapper and Engine service is a file system driver. If the SMB MiniRedirector Wrapper and Engine fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the mrxsmb service has failed to start.




Dependencies

SMB MiniRedirector Wrapper and Engine will not start, if the Redirected

Buffering Sub Sysytem service is stopped or disabled.

If the SMB MiniRedirector Wrapper and Engine is stopped, the following services will not start and initialize:

SMB 1.x MiniRedirector

SMB 2.0 MiniRedirector




SNMP Trap - Windows 7 Service

Receives trap messages generated by local or remote Simple Network Management Protocol (SNMP) agents and forwards the messages to SNMP management programs running on your computer. If this service is stopped, SNMP-based programs on your computer will not receive SNMP trap messages. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: SNMP Trap

Service name: SNMPTRAP

Type: own

Path: %WinDir%\System32\snmptrap.exe







Default Behavior

The SNMP Trap service runs as NT AUTHORITY\LocalService in its own process. It does not share an executable file with other services. If the SNMP Trap fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SNMPTRAP service has failed to start.




Software Bus Driver - Windows 7 Service

Plug and Play Software Device Enumerator by Microsoft Corporation.


Startup Type








Default Properties

Display name: Software Bus Driver

Service name: swenum

Type: kernel

Path: %WinDir%\system32\DRIVERS\swenum.sys


Default Behavior

The Software Bus Driver service is a kernel driver. If the Software Bus Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the swenum service has failed to start.




Software Protection - Windows 7 Service

Enables the download, installation and enforcement of digital licenses for Windows and Windows applications. If the service is disabled, the operating system and licensed applications may run in a notification mode. It is strongly recommended that you not disable the Software Protection service.


Startup Type








Default Properties

Display name: Software Protection

Service name: sppsvc

Type: own

Path: %WinDir%\system32\sppsvc.exe



Privileges:

SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege




Default Behavior

The Software Protection service runs as NT AUTHORITY\NetworkService in its own process. It does not share an executable file with other services. If the Software Protection fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sppsvc service has failed to start.

Dependencies

Software Protection will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the Software Protection is stopped, the Windows Licensing Monitoring

Service fails to start and initialize.




SPP Notification Service - Windows 7 Service

Provides Software Licensing activation and notification.


Startup Type








Default Properties

Display name: SPP Notification Service

Service name: sppuinotify

Type: share


File: %WinDir%\system32\sppuinotify.dll




Default Behavior




The SPP Notification Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the SPP Notification Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the sppuinotify service has failed to start.

Dependencies

SPP Notification Service will not start, if the COM+ Event System service is stopped or disabled.




Srvnet - Windows 7 Service

Server Network driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Srvnet

Service name: srvnet

Type: filesys

Path: %WinDir%\System32\DRIVERS\srvnet.sys


Group: Network

Default Behavior

The Srvnet service is a file system driver. If the Srvnet fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the srvnet service has failed to start.

Dependencies




If the Srvnet is stopped, the Server SMB 2.xxx Driver fails to start and initialize.




SSDP Discovery - Windows 7 Service

Discovers networked devices and services that use the SSDP discovery protocol, such as UPnP devices. Also announces SSDP devices and services running on the local computer. If this service is stopped, SSDP-based devices will not be discovered. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: SSDP Discovery

Service

name: SSDPSRV

Type: share



File: %WinDir%\System32\ssdpsrv.dll







Default Behavior

The SSDP Discovery service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the SSDP Discovery fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SSDPSRV service has failed to start.

Dependencies

SSDP Discovery will not start, if the HTTP service is stopped or disabled.

If the SSDP Discovery is stopped, the following services will not start and initialize:


UPnP Device Host




Stexstor - Windows 7 Service

Promise SuperTrak EX Series Driver for Windows by Promise Technology.


Startup Type








Default Properties

Display name: Stexstor

Service name: stexstor

Type: kernel

Path: %WinDir%\system32\DRIVERS\stexstor.sys


Group: SCSI Storport

Default Behavior

The Stexstor service is a kernel driver. If the Stexstor fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the stexstor service has failed to start.




Storage Service - Windows 7 Service

Enforces group policy for storage devices.


Startup Type






Ultimate not exists not exists


Default Properties

Display name: Storage Service

Service name: StorSvc

Type: share


File: %WinDir%\system32\storsvc.dll


Object: LocalSystem

Privileges: SeLoadDriverPrivilege

Default Behavior




The Storage Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Storage Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the StorSvc service has failed to start.




Storage volumes - Windows 7 Service

Volume Shadow Copy Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Storage volumes

Service name: volsnap

Type: kernel

Path: %WinDir%\system32\DRIVERS\volsnap.sys


Default Behavior

The Storage volumes service is a kernel driver. If the Storage volumes fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Storvsc - Windows 7 Service

Storage VSC Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Storvsc

Service name: storvsc

Type: kernel

Path: %WinDir%\system32\DRIVERS\storvsc.sys


Group: Base

Default Behavior

The Storvsc service is a kernel driver. If the Storvsc fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the storvsc service has failed to start.




Superfetch - Windows 7 Service

Maintains and improves system performance over time.


Startup Type








Default Properties

Display name: Superfetch

Service name: SysMain

Type: share


File: %WinDir%\system32\sysmain.dll


Object: LocalSystem

Privileges:

SeTcbPrivilege SeProfileSingleProcessPrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeIncreaseBasePriorityPrivilege




Default Behavior

The Superfetch service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Superfetch fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies

Superfetch will not start, if the following services are stopped or disabled:

File Information FS MiniFilter





Synth3dVsc - Windows 7 Service


Startup Type








Default Properties

Display name: Synth3dVsc

Service name: Synth3dVsc

Type: kernel

Path: %WinDir%\System32\drivers\synth3dvsc.sys


Default Behavior

The Synth3dVsc service is a kernel driver. If the Synth3dVsc fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Synth3dVsc service has failed to start.




System Attribute Cache - Windows 7 Service

Attribute Cache Indexer.


Startup Type








Default Properties

Display name: System Attribute Cache

Service name: discache

Type: kernel

Path: %WinDir%\System32\drivers\discache.sys


Default Behavior

The System Attribute Cache service is a kernel driver. If the System Attribute Cache fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the discache service has failed to start.

Dependencies




If the System Attribute Cache is stopped, the AppID Driver fails to start and initialize.




System Event Notification Service - Windows 7 Service

Monitors system events and notifies subscribers to COM+ Event System of these events.


Startup Type








Default Properties

Display name: System Event Notification Service

Service name: SENS

Type: share


File: %WinDir%\System32\sens.dll



Object: LocalSystem





SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeTcbPrivilege

Default Behavior

The System Event Notification Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the System Event Notification Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SENS service has failed to start.

Dependencies

System Event Notification Service will not start, if the COM+ Event System service is stopped or disabled.

If the System Event Notification Service is stopped, the COM+ System

Application fails to start and initialize.




Tablet PC Input Service - Windows 7 Service

Enables Tablet PC pen and ink functionality.


Startup Type








Default Properties

Display name: Tablet PC Input Service

Service name: TabletInputService

Type: share


File: %WinDir%\System32\TabSvc.dll


Group: PlugPlay

Object: LocalSystem

Privileges:

SeTcbPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeAssignPrimaryTokenPrivilege





Default Behavior

The Tablet PC Input Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Tablet PC Input Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TabletInputService service has failed to start.

Dependencies

Tablet PC Input Service will not start, if the following services are stopped or disabled:

Plug and Play





Task Scheduler - Windows 7 Service

Enables a user to configure and schedule automated tasks on your computer. The service also hosts multiple Windows system-critical tasks. If this service is stopped or disabled, these tasks will not be run at their scheduled times. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Task Scheduler

Service name: Schedule

Type: share


File: %WinDir%\system32\schedsvc.dll


Group: SchedulerGroup

Object: LocalSystem

Privileges: SeIncreaseQuotaPrivilege




SeChangeNotifyPrivilege SeAuditPrivilege SeImpersonatePrivilege SeAssignPrimaryTokenPrivilege SeTcbPrivilege SeRestorePrivilege

Default Behavior

The Task Scheduler service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Task Scheduler fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Schedule service has failed to start.

Dependencies

Task Scheduler will not start, if the following services are stopped or disabled:


Windows Event Log




TCP/IP NetBIOS Helper - Windows 7 Service

Provides support for the NetBIOS over TCP/IP (NetBT) service and NetBIOS name resolution for clients on the network, therefore enabling users to share files, print, and log on to the network. If this service is stopped, these functions might be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: TCP/IP NetBIOS Helper

Service name: lmhosts

Type: share



Group: TDI


Privileges: SeCreateGlobalPrivilege




Default Behavior

The TCP/IP NetBIOS Helper service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the TCP/IP NetBIOS Helper fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the lmhosts service has failed to start.

Dependencies

TCP/IP NetBIOS Helper will not start, if the following services are stopped or disabled:

Ancillary Function Driver for Winsock

NetBT




TCP/IP Protocol Driver - Windows 7 Service

TCP/IP Protocol Driver.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: TCP/IP Protocol Driver

Service name: Tcpip

Type: kernel

Path: %WinDir%\System32\drivers\tcpip.sys


Group: PNP_TDI

Default Behavior

The TCP/IP Protocol Driver service is a kernel driver. If the TCP/IP Protocol Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Tcpip service has failed to start.

Dependencies




If the TCP/IP Protocol Driver is stopped, the following services will not start and initialize:

IP Helper

IP Network Address Translator

IPsec Policy Agent

IP Traffic Filter Driver

Message-oriented TCP/IP and TCP/IPv6 Protocol (SMB

session)

Microsoft IPv6 Protocol Driver

NetBT



TCP/IP Registry Compatibility




TCP/IP Registry Compatibility - Windows 7 Service

Provides compatibility for legacy applications which interact with TCP/IP through the registry. If this service is stopped, certain applications may have impaired functionality.


Startup Type








Default Properties

Display name: TCP/IP Registry Compatibility

Service name: tcpipreg

Type: kernel

Path: %WinDir%\System32\drivers\tcpipreg.sys


Default Behavior

The TCP/IP Registry Compatibility service is a kernel driver. If the TCP/IP Registry Compatibility fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the tcpipreg service has failed to start.

Dependencies




TCP/IP Registry Compatibility will not start, if the TCP/IP Protocol Driver service is stopped or disabled.




TDPIPE - Windows 7 Service

Named Pipe Transport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: TDPIPE

Service name: TDPIPE

Type: kernel

Path: %WinDir%\system32\drivers\tdpipe.sys


Default Behavior

The TDPIPE service is a kernel driver. If the TDPIPE fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TDPIPE service has failed to start.




TDTCP - Windows 7 Service

TCP Transport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: TDTCP

Service name: TDTCP

Type: kernel

Path: %WinDir%\system32\drivers\tdtcp.sys


Default Behavior

The TDTCP service is a kernel driver. If the TDTCP fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TDTCP service has failed to start.




Telephony - Windows 7 Service

Provides Telephony API (TAPI) support for programs that control telephony devices on the local computer and, through the LAN, on servers that are also running the service.


Startup Type








Default Properties

Display name: Telephony

Service name: TapiSrv

Type: share


File: %WinDir%\System32\tapisrv.dll



Privileges:

SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege




SeAssignPrimaryTokenPrivilege

Default Behavior

The Telephony service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Telephony fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TapiSrv service has failed to start.

Dependencies

Telephony will not start, if the following services are stopped or disabled:

Plug and Play


If the Telephony is stopped, the following services will not start and initialize:

Fax

Remote Access Auto Connection Manager





Terminal Device Driver - Windows 7 Service

Remote Desktop Server Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Terminal Device Driver

Service name: TermDD

Type: kernel

Path: %WinDir%\system32\DRIVERS\termdd.sys


Default Behavior

The Terminal Device Driver service is a kernel driver. If the Terminal Device Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TermDD service has failed to start.

Dependencies




If the Terminal Device Driver is stopped, the Remote Desktop Services fails to start and initialize.




Terminal Server Device Redirector Driver - Windows 7 Service

Microsoft RDP Device redirector by Microsoft Corporation.


Startup Type








Default Properties

Display name: Terminal Server Device Redirector Driver

Service name: RDPDR

Type: kernel

Path: %WinDir%\System32\drivers\rdpdr.sys


Default Behavior

The Terminal Server Device Redirector Driver service is a kernel driver. If the Terminal Server Device Redirector Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RDPDR service has failed to start.

Dependencies




Terminal Server Device Redirector Driver will not start, if the Redirected

Buffering Sub Sysytem service is stopped or disabled.

If the Terminal Server Device Redirector Driver is stopped, the Remote Desktop

Services UserMode Port Redirector fails to start and initialize.




Themes - Windows 7 Service

Provides user experience theme management.


Startup Type








Default Properties

Display name: Themes

Service name: Themes

Type: share


File: %WinDir%\system32\themeservice.dll



Object: LocalSystem

Privileges:

SeAssignPrimaryTokenPrivilege SeDebugPrivilege SeImpersonatePrivilege




Default Behavior

The Themes service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Themes fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Themes service has failed to start.




Thread Ordering Server - Windows 7 Service

Provides ordered execution for a group of threads within a specific period of time.


Startup Type








Default Properties

Display name: Thread Ordering Server

Service name: THREADORDER

Type: share


File: %WinDir%\system32\mmcss.dll




Default Behavior




The Thread Ordering Server service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Thread Ordering Server fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the THREADORDER service has failed to start.




TPM Base Services - Windows 7 Service

Enables access to the Trusted Platform Module (TPM), which provides hardware-based cryptographic services to system components and applications. If this service is stopped or disabled, applications will be unable to use keys protected by the TPM.


Startup Type








Default Properties

Display name: TPM Base Services

Service

name: TBS

Type: share



File: %WinDir%\System32\tbssvc.dll







SeAuditPrivilege

Default Behavior

The TPM Base Services runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the TPM Base Services fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TBS service has failed to start.




TsUsbFlt - Windows 7 Service

Remote Desktop USB Hub Filter Driver by Microsoft Corporation.


Startup Type


Starter not exists Manual

Home Basic not exists Manual

Home Premium not exists Manual

Professional not exists Manual



Default Properties

Display name: TsUsbFlt

Service name: TsUsbFlt

Type: kernel

Path: %WinDir%\System32\drivers\tsusbflt.sys


Group: base

Default Behavior

The TsUsbFlt service is a kernel driver. If the TsUsbFlt fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TsUsbFlt service has failed to start.




Tsusbhub - Windows 7 Service


Startup Type








Default Properties

Display name: Tsusbhub

Service name: tsusbhub

Type: kernel

Path: %WinDir%\system32\drivers\tsusbhub.sys


Default Behavior

The Tsusbhub service is a kernel driver. If the Tsusbhub fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the tsusbhub service has failed to start.




UAC File Virtualization - Windows 7 Service

Virtualizes file write failures to per-user locations.


Startup Type








Default Properties

Display name: UAC File Virtualization

Service name: luafv

Type: filesys

Path: %WinDir%\system32\drivers\luafv.sys


Group: FSFilter Virtualization

Default Behavior

The UAC File Virtualization service is a file system driver. If the UAC File Virtualization fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the luafv service has failed to start.

Dependencies




UAC File Virtualization will not start, if the FltMgr service is stopped or disabled.




Udfs - Windows 7 Service

Reads/Writes UDF 1.02,1.5,2.0x,2.5 disc formats, usually found on C/DVD discs. (Core) (All pieces).


Startup Type








Default Properties

Display name: Udfs

Service name: udfs

Type: filesys

Path: %WinDir%\system32\DRIVERS\udfs.sys



Default Behavior

The Udfs service is a file system driver. If the Udfs fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the udfs service has failed to start.




Uli AGP Bus Filter - Windows 7 Service

ULi AGPv3.0 Filter for K8/9 Processor Platforms by Microsoft Corporation.


Startup Type








Default Properties

Display name: Uli AGP Bus Filter

Service name: uliagpkx

Type: kernel

Path: %WinDir%\system32\DRIVERS\uliagpkx.sys


Group: PnP Filter

Default Behavior

The Uli AGP Bus Filter service is a kernel driver. If the Uli AGP Bus Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the uliagpkx service has failed to start.




UMBus Enumerator Driver - Windows 7 Service

User-Mode Bus Enumerator by Microsoft Corporation.


Startup Type








Default Properties

Display name: UMBus Enumerator Driver

Service name: umbus

Type: kernel

Path: %WinDir%\system32\DRIVERS\umbus.sys



Default Behavior

The UMBus Enumerator Driver service is a kernel driver. If the UMBus Enumerator Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the umbus service has failed to start.




UPnP Device Host - Windows 7 Service

Allows UPnP devices to be hosted on your computer. If this service is stopped, any hosted UPnP devices will stop functioning and no additional hosted devices can be added. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: UPnP Device Host

Service

name: upnphost

Type: share



File: %WinDir%\System32\upnphost.dll








Default Behavior

The UPnP Device Host service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the UPnP Device Host fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the upnphost service has failed to start.

Dependencies

UPnP Device Host will not start, if the following services are stopped or disabled:

HTTP

SSDP Discovery




USB Mass Storage Driver - Windows 7 Service

USB Mass Storage Class Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: USB Mass Storage Driver

Service name: USBSTOR

Type: kernel

Path: %WinDir%\system32\DRIVERS\USBSTOR.SYS


Default Behavior

The USB Mass Storage Driver service is a kernel driver. If the USB Mass Storage Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the USBSTOR service has failed to start.




User Mode Driver Frameworks Platform Driver - Windows 7 Service

Windows Driver Foundation - User-mode Driver Framework Platform Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: User Mode Driver Frameworks Platform Driver

Service name: WudfPf

Type: kernel

Path: %WinDir%\system32\drivers\WudfPf.sys


Group: base

Default Behavior

The User Mode Driver Frameworks Platform Driver service is a kernel driver. If the User Mode Driver Frameworks Platform Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a




message box is displayed informing you that the WudfPf service has failed to start.

Dependencies

If the User Mode Driver Frameworks Platform Driver is stopped, the Windows

Driver Foundation - User-mode Driver Framework fails to start and initialize.




User Profile Service - Windows 7 Service

This service is responsible for loading and unloading user profiles. If this service is stopped or disabled, users will no longer be able to successfully logon or logoff, applications may have problems getting to users' data, and components registered to receive profile event notifications will not receive them.


Startup Type








Default Properties

Display name: User Profile Service

Service name: ProfSvc

Type: share


File: %WinDir%\system32\profsvc.dll


Group: profsvc_group

Object: LocalSystem




Privileges:

SeBackupPrivilege SeRestorePrivilege SeTakeOwnershipPrivilege SeDebugPrivilege SeImpersonatePrivilege

Default Behavior

The User Profile Service runs as LocalSystem in a shared process. It shares an executable file with other services. If the User Profile Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ProfSvc service has failed to start.

Dependencies

User Profile Service will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.

If the User Profile Service is stopped, the Application Information fails to start and initialize.




Vga - Windows 7 Service

VGA/Super VGA Video Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Vga

Service name: vga

Type: kernel

Path: %WinDir%\system32\DRIVERS\vgapnp.sys


Group: Video

Default Behavior

The Vga service is a kernel driver. If the Vga fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




VgaSave - Windows 7 Service

VGA/Super VGA Video Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: VgaSave

Service name: VgaSave

Type: kernel

Path: %WinDir%\System32\drivers\vga.sys


Group: Video Save

Default Behavior

The VgaSave service is a kernel driver. If the VgaSave fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




VGPU - Windows 7 Service


Startup Type








Default Properties

Display name: VGPU

Service name: VGPU

Type: kernel

Path: %WinDir%\System32\drivers\rdvgkmd.sys


Default Behavior

The VGPU service is a kernel driver. If the VGPU fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the VGPU service has failed to start.




Vhdmp - Windows 7 Service

VHD Miniport Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Vhdmp

Service name: vhdmp

Type: kernel

Path: %WinDir%\system32\DRIVERS\vhdmp.sys



Default Behavior

The Vhdmp service is a kernel driver. If the Vhdmp fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the vhdmp service has failed to start.




VIA AGP Bus Filter - Windows 7 Service

VIA NT AGP Filter by Microsoft Corporation.


Startup Type








Default Properties

Display name: VIA AGP Bus Filter

Service name: viaagp

Type: kernel

Path: %WinDir%\system32\DRIVERS\viaagp.sys


Group: PnP Filter

Default Behavior

The VIA AGP Bus Filter service is a kernel driver. If the VIA AGP Bus Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the viaagp service has failed to start




VIA C7 Processor Driver - Windows 7 Service



Startup Type








Default Properties

Display name: VIA C7 Processor Driver

Service name: ViaC7

Type: kernel

Path: %WinDir%\system32\DRIVERS\viac7.sys



Default Behavior

The VIA C7 Processor Driver service is a kernel driver. If the VIA C7 Processor Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ViaC7 service has failed to start.




Viaide - Windows 7 Service

VIA Generic PCI IDE Bus Driver by VIA Technologies, Inc..


Startup Type








Default Properties

Display name: Viaide

Service name: viaide

Type: kernel

Path: %WinDir%\system32\DRIVERS\viaide.sys



Default Behavior

The Viaide service is a kernel driver. If the Viaide fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Virtual Disk - Windows 7 Service

Provides management services for disks, volumes, file systems, and storage arrays.


Startup Type








Default Properties

Display name: Virtual Disk

Service name: vds

Type: own

Path: %WinDir%\System32\vds.exe


Object: LocalSystem

Default Behavior

The Virtual Disk service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Virtual Disk fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the vds service has failed to start.




Dependencies

Virtual Disk will not start, if the following services are stopped or disabled:

Plug and Play





Virtual Machine Bus - Windows 7 Service

Virtual Machine Bus by Microsoft Corporation.


Startup Type





Professional Manual Boot

Ultimate Manual Boot

Enterprise Manual Boot

Default Properties

Display name: Virtual Machine Bus

Service name: vmbus

Type: kernel

Path: %WinDir%\system32\DRIVERS\vmbus.sys



Default Behavior

The Virtual Machine Bus service is a kernel driver. If the Virtual Machine Bus fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the vmbus service has failed to start.




Virtual WiFi Bus Driver - Windows 7 Service

Implements bus functionality for Virtual WiFi.


Startup Type








Default Properties

Display name: Virtual WiFi Bus Driver

Service name: vwifibus

Type: kernel

Path: %WinDir%\System32\drivers\vwifibus.sys


Default Behavior

The Virtual WiFi Bus Driver service is a kernel driver. If the Virtual WiFi Bus Driver fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




VMBusHID - Windows 7 Service

Microsoft VMBus HID Miniport by Microsoft Corporation.


Startup Type








Default Properties

Display name: VMBusHID

Service name: VMBusHID

Type: kernel

Path: %WinDir%\system32\DRIVERS\VMBusHID.sys



Default Behavior

The VMBusHID service is a kernel driver. If the VMBusHID fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Volume Manager Driver - Windows 7 Service

Volume Manager Driver by Microsoft Corporation.


Startup Type


Starter Boot Boot




Ultimate Boot Boot


Default Properties

Display name: Volume Manager Driver

Service name: volmgr

Type: kernel

Path: %WinDir%\system32\DRIVERS\volmgr.sys



Default Behavior

The Volume Manager Driver service is a kernel driver. If the Volume Manager Driver fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.




Volume Shadow Copy - Windows 7 Service

Manages and implements Volume Shadow Copies used for backup and other purposes. If this service is stopped, shadow copies will be unavailable for backup and the backup may fail. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Volume Shadow Copy

Service name: VSS

Type: own

Path: %WinDir%\system32\vssvc.exe


Object: LocalSystem

Default Behavior

The Volume Shadow Copy service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Volume Shadow Copy fails to load or initialize, the error is recorded into the Event Log.




Windows 7 startup should proceed, but a message box is displayed informing you that the VSS service has failed to start.

Dependencies

Volume Shadow Copy will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Vsmraid - Windows 7 Service

VIA RAID DRIVER FOR AMD-X86-64 by VIA Technologies Inc.,Ltd.


Startup Type








Default Properties

Display name: Vsmraid

Service name: vsmraid

Type: kernel

Path: %WinDir%\system32\DRIVERS\vsmraid.sys



Default Behavior

The Vsmraid service is a kernel driver. If the Vsmraid fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the vsmraid service has failed to start.




Wacom Serial Pen HID Driver - Windows 7 Service

Wacom Serial Pen Tablet HID Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Wacom Serial Pen HID Driver

Service name: WacomPen

Type: kernel

Path: %WinDir%\system32\DRIVERS\wacompen.sys



Default Behavior

The Wacom Serial Pen HID Driver service is a kernel driver. If the Wacom Serial Pen HID Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WacomPen service has failed to start.




WAN Miniport (IKEv2) - Windows 7 Service

WAN Miniport (IKEv2).


Startup Type








Default Properties

Display name: WAN Miniport (IKEv2)

Service name: RasAgileVpn

Type: kernel

Path: %WinDir%\system32\DRIVERS\AgileVpn.sys


Default Behavior

The WAN Miniport (IKEv2) service is a kernel driver. If the WAN Miniport (IKEv2) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasAgileVpn service has failed to start.




WAN Miniport (L2TP) - Windows 7 Service

WAN Miniport (L2TP).


Startup Type








Default Properties

Display name: WAN Miniport (L2TP)

Service name: Rasl2tp

Type: kernel

Path: %WinDir%\system32\DRIVERS\rasl2tp.sys


Default Behavior

The WAN Miniport (L2TP) service is a kernel driver. If the WAN Miniport (L2TP) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Rasl2tp service has failed to start.




WAN Miniport (PPTP) - Windows 7 Service

WAN Miniport (PPTP).


Startup Type








Default Properties

Display name: WAN Miniport (PPTP)

Service name: PptpMiniport

Type: kernel

Path: %WinDir%\system32\DRIVERS\raspptp.sys


Default Behavior

The WAN Miniport (PPTP) service is a kernel driver. If the WAN Miniport (PPTP) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the PptpMiniport service has failed to start.




WAN Miniport (SSTP) - Windows 7 Service

WAN Miniport (SSTP).


Startup Type








Default Properties

Display name: WAN Miniport (SSTP)

Service name: RasSstp

Type: kernel

Path: %WinDir%\system32\DRIVERS\rassstp.sys


Default Behavior

The WAN Miniport (SSTP) service is a kernel driver. If the WAN Miniport (SSTP) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the RasSstp service has failed to start.




Wd - Windows 7 Service

Microsoft Watchdog Timer Driver by Microsoft Corporation.


Startup Type








Default Properties

Display name: Wd

Service name: Wd

Type: kernel

Path: %WinDir%\system32\DRIVERS\wd.sys


Default Behavior

The Wd service is a kernel driver. If the Wd fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Wd service has failed to start.




WebClient - Windows 7 Service

Enables Windows-based programs to create, access, and modify Internet-based files. If this service is stopped, these functions will not be available. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: WebClient

Service name: WebClient

Type: share


File: %WinDir%\System32\webclnt.dll









Default Behavior

The WebClient service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the WebClient fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WebClient service has failed to start.

Dependencies

WebClient will not start, if the WebDav Client Redirector Driver service is stopped or disabled.




WebDav Client Redirector Driver - Windows 7 Service

Network Redirector that provides WebDAV file access for the WebClient service.


Startup Type








Default Properties

Display name: WebDav Client Redirector Driver

Service name: MRxDAV

Type: filesys

Path: %WinDir%\system32\drivers\mrxdav.sys


Default Behavior

The WebDav Client Redirector Driver service is a file system driver. If the WebDav Client Redirector Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MRxDAV service has failed to start.

Dependencies




WebDav Client Redirector Driver will not start, if the Redirected Buffering Sub

Sysytem service is stopped or disabled.

If the WebDav Client Redirector Driver is stopped, the WebClient fails to start and initialize.




WFP Lightweight Filter - Windows 7 Service

WFP Lightweight Filter.


Startup Type








Default Properties

Display name: WFP Lightweight Filter

Service name: WfpLwf

Type: kernel

Path: %WinDir%\system32\DRIVERS\wfplwf.sys


Group: NDIS

Default Behavior

The WFP Lightweight Filter service is a kernel driver. If the WFP Lightweight Filter fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WfpLwf service has failed to start.




WIMMount - Windows 7 Service

WIM Image mount service driver.


Startup Type








Default Properties

Display name: WIMMount

Service name: WIMMount

Type: filesys

Path: %WinDir%\system32\drivers\wimmount.sys


Group: FSFilter Infrastructure

Default Behavior

The WIMMount service is a file system driver. If the WIMMount fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WIMMount service has failed to start.




Windows Audio - Windows 7 Service

Manages audio for Windows-based programs. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Windows Audio

Service name: Audiosrv

Type: share


File: %WinDir%\System32\Audiosrv.dll


Group: AudioGroup






SeIncreaseWorkingSetPrivilege

Default Behavior

The Windows Audio service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Audio fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Audiosrv service has failed to start.

Dependencies

Windows Audio will not start, if the following services are stopped or disabled:

Multimedia Class Scheduler


Windows Audio Endpoint Builder




Windows Audio Endpoint Builder - Windows 7 Service

Manages audio devices for the Windows Audio service. If this service is stopped, audio devices and effects will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Windows Audio Endpoint Builder

Service name: AudioEndpointBuilder

Type: share


File: %WinDir%\System32\Audiosrv.dll


Group: AudioGroup

Object: LocalSystem





Default Behavior

The Windows Audio Endpoint Builder service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Windows Audio Endpoint Builder fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the AudioEndpointBuilder service has failed to start.

Dependencies

Windows Audio Endpoint Builder will not start, if the Plug and Play service is stopped or disabled.

If the Windows Audio Endpoint Builder is stopped, the Windows Audio fails to start and initialize.




Windows Backup - Windows 7 Service

Provides Windows Backup and Restore capabilities.


Startup Type








Default Properties

Display name: Windows Backup

Service name: SDRSVC

Type: own

Path: %WinDir%\system32\svchost.exe -k SDRSVC

File: %WinDir%\System32\SDRSVC.dll


Object: localSystem

Privileges:

SeBackupPrivilege SeRestorePrivilege SeSecurityPrivilege SeTakeOwnershipPrivilege SeCreateSymbolicLinkPrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege




SeTcbPrivilege SeSystemEnvironmentPrivilege

Default Behavior

The Windows Backup service runs as localSystem in its own process. It does not share an executable file with other services. If the Windows Backup fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the SDRSVC service has failed to start.

Dependencies

Windows Backup will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Windows CardSpace - Windows 7 Service

Securely enables the creation, management, and disclosure of digital identities.


Startup Type








Default Properties

Display

name: Windows CardSpace

Service

name: idsvc

Type: share

Path: %WinDir%\Microsoft.NET\Framework\v3.0\Windows Communication

Foundation\infocard.exe

Error

control: normal

Object: LocalSystem

Privileges:

SeTcbPrivilege SeAssignPrimaryTokenPrivilege SeTakeOwnershipPrivilege SeBackupPrivilege




SeRestorePrivilege SeImpersonatePrivilege

Default Behavior

The Windows CardSpace service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Windows CardSpace fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the idsvc service has failed to start.




Windows Color System - Windows 7 Service

The WcsPlugInService service hosts third-party Windows Color System color device model and gamut map model plug-in modules. These plug-in modules are vendor-specific extensions to the Windows Color System baseline color device and gamut map models. Stopping or disabling the WcsPlugInService service will disable this extensibility feature, and the Windows Color System will use its baseline model processing rather than the vendor's desired processing. This might result in inaccurate color rendering.


Startup Type








Default Properties

Display name: Windows Color System

Service name: WcsPlugInService

Type: share

Path: %WinDir%\system32\svchost.exe -k wcssvc

File: %WinDir%\System32\WcsPlugInService.dll







Default Behavior

The Windows Color System service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Color System fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WcsPlugInService service has failed to start.

Dependencies

Windows Color System will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Windows Connect Now - Config Registrar - Windows 7 Service

WCNCSVC hosts the Windows Connect Now Configuration which is Microsoft's Implementation of Wi-Fi Protected Setup (WPS) protocol. This is used to configure Wireless LAN settings for an Access Point (AP) or a Wi-Fi Device. The service is started programmatically as needed.


Startup Type








Default Properties

Display name: Windows Connect Now - Config Registrar

Service

name: wcncsvc

Type: share



File: %WinDir%\System32\wcncsvc.dll







Default Behavior

The Windows Connect Now - Config Registrar service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Connect Now - Config Registrar fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wcncsvc service has failed to start.

Dependencies

Windows Connect Now - Config Registrar will not start, if the Remote





Windows Defender - Windows 7 Service

Protection against spyware and potentially unwanted software.


Startup Type








Default Properties

Display name: Windows Defender

Service name: WinDefend

Type: share

Path: %WinDir%\System32\svchost.exe -k secsvcs

File: %ProgramFiles%\Windows Defender\mpsvc.dll


Object: LocalSystem

Privileges:

SeImpersonatePrivilege SeBackupPrivilege SeRestorePrivilege SeDebugPrivilege SeChangeNotifyPrivilege SeSecurityPrivilege SeShutdownPrivilege




SeIncreaseQuotaPrivilege SeAssignPrimaryTokenPrivilege

Default Behavior

The Windows Defender service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Windows Defender fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WinDefend service has failed to start.

Dependencies

Windows Defender will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Windows Driver Foundation - User-mode Driver Framework - Windows 7 Service

Manages user-mode driver host processes.


Startup Type








Default Properties

Display name: Windows Driver Foundation - User-mode Driver Framework

Service name: wudfsvc

Type: share


File: %WinDir%\System32\WUDFSvc.dll


Group: PlugPlay

Object: LocalSystem

Privileges: SeChangeNotifyPrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege




SeTcbPrivilege

Default Behavior

The Windows Driver Foundation - User-mode Driver Framework service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Windows Driver Foundation - User-mode Driver Framework fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wudfsvc service has failed to start.

Dependencies

Windows Driver Foundation - User-mode Driver Framework will not start, if the following services are stopped or disabled:

Plug and Play

User Mode Driver Frameworks Platform Driver

If the Windows Driver Foundation - User-mode Driver Framework is stopped, the Windows Biometric Service fails to start and initialize.




Windows Error Reporting Service - Windows 7 Service

Allows errors to be reported when programs stop working or responding and allows existing solutions to be delivered. Also allows logs to be generated for diagnostic and repair services. If this service is stopped, error reporting might not work correctly and results of diagnostic services and repairs might not be displayed.


Startup Type








Default Properties

Display name: Windows Error Reporting Service

Service name: WerSvc

Type: share

Path: %WinDir%\System32\svchost.exe -k WerSvcGroup

File: %WinDir%\System32\WerSvc.dll


Object: localSystem

Privileges: SeDebugPrivilege SeTcbPrivilege SeImpersonatePrivilege




SeAssignPrimaryTokenPrivilege

Default Behavior

The Windows Error Reporting Service runs as localSystem in a shared process. It shares an executable file with other services. If the Windows Error Reporting Service fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.




Windows Event Collector - Windows 7 Service

This service manages persistent subscriptions to events from remote sources that support WS-Management protocol. This includes Windows Vista event logs, hardware and IPMI-enabled event sources. The service stores forwarded events in a local Event Log. If this service is stopped or disabled event subscriptions cannot be created and forwarded events cannot be accepted.


Startup Type








Default Properties

Display name: Windows Event Collector

Service name: Wecsvc

Type: share


File: %WinDir%\system32\wecsvc.dll



Privileges: SeAuditPrivilege SeChangeNotifyPrivilege





Default Behavior

The Windows Event Collector service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Windows Event Collector fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Wecsvc service has failed to start.

Dependencies

Windows Event Collector will not start, if the following services are stopped or disabled:

HTTP

Windows Event Log




Windows Event Log - Windows 7 Service

This service manages events and event logs. It supports logging events, querying events, subscribing to events, archiving event logs, and managing event metadata. It can display events in both XML and plain text format. Stopping this service may compromise security and reliability of the system.


Startup Type








Default Properties

Display name: Windows Event Log

Service name: eventlog

Type: share



Group: Event Log






Default Behavior

The Windows Event Log service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Event Log fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the eventlog service has failed to start.

Dependencies

If the Windows Event Log is stopped, the following services will not start and initialize:

Task Scheduler

Windows Event Collector




Windows Firewall - Windows 7 Service

Windows Firewall helps protect your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network.


Startup Type








Default Properties

Display name: Windows Firewall

Service name: MpsSvc

Type: share


File: %WinDir%\system32\mpssvc.dll




Privileges:

SeAssignPrimaryTokenPrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege




SeImpersonatePrivilege SeIncreaseQuotaPrivilege

Default Behavior

The Windows Firewall service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the Windows Firewall fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the MpsSvc service has failed to start.

Dependencies

Windows Firewall will not start, if the following services are stopped or disabled:


Windows Firewall Authorization Driver




Windows Firewall Authorization Driver - Windows 7 Service

Windows Firewall Authorization Driver is a kernel mode driver that provides deep inspection services on inbound and outbound network traffic.


Startup Type








Default Properties

Display name: Windows Firewall Authorization Driver

Service name: mpsdrv

Type: kernel

Path: %WinDir%\System32\drivers\mpsdrv.sys


Group: network

Default Behavior

The Windows Firewall Authorization Driver service is a kernel driver. If the Windows Firewall Authorization Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a




message box is displayed informing you that the mpsdrv service has failed to start.

Dependencies

If the Windows Firewall Authorization Driver is stopped, the Windows Firewall fails to start and initialize.




Windows Font Cache Service - Windows 7 Service

Optimizes performance of applications by caching commonly used font data. Applications will start this service if it is not already running. It can be disabled, though doing so will degrade application performance.


Startup Type


Starter Manual Automatic (Delayed Start)

Home Basic Manual Automatic (Delayed Start)

Home Premium Manual Automatic (Delayed Start)

Professional Manual Automatic (Delayed Start)

Ultimate Manual Automatic (Delayed Start)

Enterprise Manual Automatic (Delayed Start)

Default Properties

Display name: Windows Font Cache Service

Service

name: FontCache

Type: share



File: %WinDir%\system32\FntCache.dll



Privileges: SeChangeNotifyPrivilege SeAuditPrivilege




Default Behavior

The Windows Font Cache Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Font Cache Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the FontCache service has failed to start.




Windows Image Acquisition (WIA) - Windows 7 Service

Provides image acquisition services for scanners and cameras.


Startup Type








Default Properties

Display name: Windows Image Acquisition (WIA)

Service name: StiSvc

Type: own

Path: %WinDir%\system32\svchost.exe -k imgsvc

File: %WinDir%\System32\wiaservc.dll



Privileges:





Default Behavior

The Windows Image Acquisition (WIA) service runs as NT Authority\LocalService in its own process. It does not share an executable file with other services. If the Windows Image Acquisition (WIA) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the StiSvc service has failed to start.

Dependencies

Windows Image Acquisition (WIA) will not start, if the following services are stopped or disabled:


Shell Hardware Detection




Windows Installer - Windows 7 Service

Adds, modifies, and removes applications provided as a Windows Installer (*.msi) package. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Windows Installer

Service name: msiserver

Type: own

Path: %WinDir%\system32\msiexec.exe /V


Object: LocalSystem

Privileges:

SeTcbPrivilege SeCreatePagefilePrivilege SeLockMemoryPrivilege SeIncreaseBasePriorityPrivilege SeCreatePermanentPrivilege SeAuditPrivilege SeSecurityPrivilege




SeChangeNotifyPrivilege SeProfileSingleProcessPrivilege SeImpersonatePrivilege SeCreateGlobalPrivilege SeAssignPrimaryTokenPrivilege SeRestorePrivilege SeIncreaseQuotaPrivilege SeShutdownPrivilege SeTakeOwnershipPrivilege SeLoadDriverPrivilege

Default Behavior

The Windows Installer service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Windows Installer fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the msiserver service has failed to start.

Dependencies

Windows Installer will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Windows Licensing Monitoring Service - Windows 7 Service

This service monitors the Windows software license state.


Startup Type






Ultimate not exists not exists


Default Properties

Display name: Windows Licensing Monitoring Service

Service name: WLMS

Type: own

Path: %WinDir%\system32\wlms\wlms.exe


Object: LocalSystem

Default Behavior

The Windows Licensing Monitoring Service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Windows Licensing Monitoring Service fails to load or initialize, the error is logged and the computer attempts to restart with the LastKnownGood configuration. If the LastKnownGood configuration fails, Windows 7 startup




also fails, and the boot process halts with a Stop error. If you disable this service, Windows 7 will fail to start. Do NOT change this service startup configuration if your computer is working.

Dependencies

Windows Licensing Monitoring Service will not start, if the Software Protection service is stopped or disabled.




Windows Management Instrumentation - Windows 7 Service

Provides a common interface and object model to access management information about operating system, devices, applications and services. If this service is stopped, most Windows-based software will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Windows Management Instrumentation

Service name: Winmgmt

Type: share


File: %WinDir%\system32\wbem\WMIsvc.dll


Object: localSystem

Default Behavior




The Windows Management Instrumentation service runs as localSystem in a shared process. It shares an executable file with other services. If the Windows Management Instrumentation fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies

Windows Management Instrumentation will not start, if the Remote Procedure


If the Windows Management Instrumentation is stopped, the following services will not start and initialize:

Internet Connection Sharing (ICS)

IP Helper

Security Center




Windows Media Center Receiver Service - Windows 7 Service

Windows Media Center Service for TV and FM broadcast reception.


Startup Type








Default Properties

Display name: Windows Media Center Receiver Service

Service name: ehRecvr

Type: own

Path: %WinDir%\ehome\ehRecvr.exe


Object: NT AUTHORITY\networkService

Privileges:


Default Behavior




The Windows Media Center Receiver Service runs as NT AUTHORITY\networkService in its own process. It does not share an executable file with other services. If the Windows Media Center Receiver Service fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies

Windows Media Center Receiver Service will not start, if the Remote Procedure





Windows Media Center Scheduler Service - Windows 7 Service

Starts and stops recording of TV programs within Windows Media Center.


Startup Type








Default Properties

Display name: Windows Media Center Scheduler Service

Service name: ehSched

Type: own

Path: %WinDir%\ehome\ehsched.exe


Object: NT AUTHORITY\networkService

Privileges:


Default Behavior




The Windows Media Center Scheduler Service runs as NT AUTHORITY\networkService in its own process. It does not share an executable file with other services. If the Windows Media Center Scheduler Service fails to load or initialize, Windows 7 start up proceeds. No warning is displayed, but the error is recorded into the Event Log.

Dependencies

Windows Media Center Scheduler Service will not start, if the Remote





Windows Media Player Network Sharing Service - Windows 7 Service

Shares Windows Media Player libraries to other networked players and media devices using Universal Plug and Play.


Startup Type








Default Properties

Display name: Windows Media Player Network Sharing Service

Service name: WMPNetworkSvc

Type: own

Path: %ProgramFiles%\Windows Media Player\wmpnetwk.exe




Default Behavior




The Windows Media Player Network Sharing Service runs as NT AUTHORITY\NetworkService in its own process. It does not share an executable file with other services. If the Windows Media Player Network Sharing Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WMPNetworkSvc service has failed to start.

Dependencies

Windows Media Player Network Sharing Service will not start, if the HTTP service is stopped or disabled.




Windows Modules Installer - Windows 7 Service

Enables installation, modification, and removal of Windows updates and optional components. If this service is disabled, install or uninstall of Windows updates might fail for your computer.


Startup Type


Starter Automatic Manual






Default Properties

Display name: Windows Modules Installer

Service name: TrustedInstaller

Type: own

Path: %WinDir%\servicing\TrustedInstaller.exe



Object: localSystem

Default Behavior

The Windows Modules Installer service runs as localSystem in its own process. It does not share an executable file with other services. If the




Windows Modules Installer fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the TrustedInstaller service has failed to start.




Windows Presentation Foundation Font Cache 3.0.0.0 - Windows 7 Service

Optimizes performance of Windows Presentation Foundation (WPF) applications by caching commonly used font data. WPF applications will start this service if it is not already running. It can be disabled, though doing so will degrade the performance of WPF applications.


Startup Type








Default Properties

Display

name: Windows Presentation Foundation Font Cache 3.0.0.0

Service

name: FontCache3.0.0.0

Type: own

Path: %WinDir%\Microsoft.Net\Framework\v3.0\WPF\PresentationFontCache.exe

Error

control: normal


Default Behavior




The Windows Presentation Foundation Font Cache 3.0.0.0 service runs as NT Authority\LocalService in its own process. It does not share an executable file with other services. If the Windows Presentation Foundation Font Cache 3.0.0.0 fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the FontCache3.0.0.0 service has failed to start.




Windows Remote Management (WS-Management) - Windows 7 Service

Windows Remote Management (WinRM) service implements the WS-Management protocol for remote management. WS-Management is a standard web services protocol used for remote software and hardware management. The WinRM service listens on the network for WS-Management requests and processes them. The WinRM Service needs to be configured with a listener using winrm.cmd command line tool or through Group Policy in order for it to listen over the network. The WinRM service provides access to WMI data and enables event collection. Event collection and subscription to events require that the service is running. WinRM messages use HTTP and HTTPS as transports. The WinRM service does not depend on IIS but is preconfigured to share a port with IIS on the same machine. The WinRM service reserves the /wsman URL prefix. To prevent conflicts with IIS, administrators should ensure that any websites hosted on IIS do not use the /wsman URL prefix.


Startup Type








Default Properties

Display name: Windows Remote Management (WS-Management)

Service name: WinRM

Type: share





File: %WinDir%\system32\WsmSvc.dll



Privileges:

SeAssignPrimaryTokenPrivilege SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege SeImpersonatePrivilege

Default Behavior

The Windows Remote Management (WS-Management) service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Windows Remote Management (WS-Management) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WinRM service has failed to start.

Dependencies

Windows Remote Management (WS-Management) will not start, if the following services are stopped or disabled:

HTTP





Windows Search - Windows 7 Service

Provides content indexing, property caching, and search results for files, e-mail, and other content.


Startup Type








Default Properties

Display name: Windows Search

Service name: WSearch

Type: own

Path: %WinDir%\system32\SearchIndexer.exe /Embedding


Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeManageVolumePrivilege SeImpersonatePrivilege SeAssignPrimaryTokenPrivilege SeIncreaseQuotaPrivilege SeTcbPrivilege




Default Behavior

The Windows Search service runs as LocalSystem in its own process. It does not share an executable file with other services. If the Windows Search fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WSearch service has failed to start.

Dependencies

Windows Search will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




Windows Time - Windows 7 Service

Maintains date and time synchronization on all clients and servers in the network. If this service is stopped, date and time synchronization will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Windows Time

Service name: W32Time

Type: share


File: %WinDir%\system32\w32time.dll



Privileges: SeAuditPrivilege SeChangeNotifyPrivilege SeCreateGlobalPrivilege




SeSystemTimePrivilege

Default Behavior

The Windows Time service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the Windows Time fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the W32Time service has failed to start.




Windows Update - Windows 7 Service

Enables the detection, download, and installation of updates for Windows and other programs. If this service is disabled, users of your computer will not be able to use Windows Update or its automatic updating feature, and programs will not be able to use the Windows Update Agent (WUA) API.


Startup Type








Default Properties

Display name: Windows Update

Service name: wuauserv

Type: share


File: %WinDir%\system32\wuaueng.dll


Object: LocalSystem

Privileges:

SeAuditPrivilege SeCreateGlobalPrivilege SeCreatePageFilePrivilege SeTcbPrivilege




SeAssignPrimaryTokenPrivilege SeImpersonatePrivilege SeIncreaseQuotaPrivilege SeShutdownPrivilege

Default Behavior

The Windows Update service runs as LocalSystem in a shared process. It shares an executable file with other services. If the Windows Update fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wuauserv service has failed to start.

Dependencies

Windows Update will not start, if the Remote Procedure Call (RPC) service is stopped or disabled.




WinHTTP Web Proxy Auto-Discovery Service - Windows 7 Service

WinHTTP implements the client HTTP stack and provides developers with a Win32 API and COM Automation component for sending HTTP requests and receiving responses. In addition, WinHTTP provides support for auto-discovering a proxy configuration via its implementation of the Web Proxy Auto-Discovery (WPAD) protocol.


Startup Type








Default Properties

Display name: WinHTTP Web Proxy Auto-Discovery Service

Service name: WinHttpAutoProxySvc

Type: share


File: winhttp.dll






Privileges:


Default Behavior

The WinHTTP Web Proxy Auto-Discovery Service runs as NT AUTHORITY\LocalService in a shared process. It shares an executable file with other services. If the WinHTTP Web Proxy Auto-Discovery Service fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WinHttpAutoProxySvc service has failed to start.

Dependencies

WinHTTP Web Proxy Auto-Discovery Service will not start, if the DHCP Client service is stopped or disabled.




Winsock IFS Driver - Windows 7 Service

Winsock IFS Driver.


Startup Type

Since Winsock IFS Driver is a kernel driver, its startup might be configured depending on installed hardware. Changing its startup configuration might cause unexpected hardware issues. In the table below you can see how it is configured on my system, but your default settings might differ from mine.








Default Properties

Display name: Winsock IFS Driver

Service name: ws2ifsl

Type: kernel

Path: %WinDir%\system32\drivers\ws2ifsl.sys


Group: PNP_TDI

Default Behavior




The Winsock IFS Driver service is a kernel driver. If the Winsock IFS Driver fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the ws2ifsl service has failed to start.




Wired AutoConfig - Windows 7 Service

The Wired AutoConfig (DOT3SVC) service is responsible for performing IEEE 802.1X authentication on Ethernet interfaces. If your current wired network deployment enforces 802.1X authentication, the DOT3SVC service should be configured to run for establishing Layer 2 connectivity and/or providing access to network resources. Wired networks that do not enforce 802.1X authentication are unaffected by the DOT3SVC service.


Startup Type








Default Properties

Display name: Wired AutoConfig

Service name: dot3svc

Type: share


File: %WinDir%\System32\dot3svc.dll


Group: TDI

Object: localSystem




Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeAuditPrivilege SeTcbPrivilege

Default Behavior

The Wired AutoConfig service runs as localSystem in a shared process. It shares an executable file with other services. If the Wired AutoConfig fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the dot3svc service has failed to start.

Dependencies

Wired AutoConfig will not start, if the following services are stopped or disabled:

Extensible Authentication Protocol NDIS Usermode I/O Protocol





WLAN AutoConfig - Windows 7 Service

The WLANSVC service provides the logic required to configure, discover, connect to, and disconnect from a wireless local area network (WLAN) as defined by IEEE 802.11 standards. It also contains the logic to turn your computer into a software access point so that other devices or computers can connect to your computer wirelessly using a WLAN adapter that can support this. Stopping or disabling the WLANSVC service will make all WLAN adapters on your computer inaccessible from the Windows networking UI. It is strongly recommended that you have the WLANSVC service running if your computer has a WLAN adapter.


Startup Type








Default Properties

Display name: WLAN AutoConfig

Service name: Wlansvc

Type: share


File: %WinDir%\System32\wlansvc.dll





Group: TDI

Object: LocalSystem

Privileges:

SeChangeNotifyPrivilege SeImpersonatePrivilege SeAuditPrivilege SeTcbPrivilege SeDebugPrivilege

Default Behavior

The WLAN AutoConfig service runs as LocalSystem in a shared process. It shares an executable file with other services. If the WLAN AutoConfig fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the Wlansvc service has failed to start.

Dependencies

WLAN AutoConfig will not start, if the following services are stopped or disabled:

Extensible Authentication Protocol NativeWiFi Filter

NDIS Usermode I/O Protocol





WMI Performance Adapter - Windows 7 Service

Provides performance library information from Windows Management Instrumentation (WMI) providers to clients on the network. This service only runs when Performance Data Helper is activated.


Startup Type








Default Properties

Display name: WMI Performance Adapter

Service name: wmiApSrv

Type: own

Path: %WinDir%\system32\wbem\WmiApSrv.exe


Object: localSystem

Default Behavior

The WMI Performance Adapter service runs as localSystem in its own process. It does not share an executable file with other services. If the WMI Performance Adapter fails to load or initialize, the error is recorded into the




Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the wmiApSrv service has failed to start.




Workstation - Windows 7 Service

Creates and maintains client network connections to remote servers using the SMB protocol. If this service is stopped, these connections will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start.


Startup Type








Default Properties

Display name: Workstation

Service name: LanmanWorkstation

Type: share


File: %WinDir%\System32\wkssvc.dll








SeImpersonatePrivilege SeAuditPrivilege

Default Behavior

The Workstation service runs as NT AUTHORITY\NetworkService in a shared process. It shares an executable file with other services. If the Workstation fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the LanmanWorkstation service has failed to start.

Dependencies

Workstation will not start, if the following services are stopped or disabled:

Browser Support Driver


SMB 1.x MiniRedirector

SMB 2.0 MiniRedirector

If the Workstation is stopped, the following services will not start and initialize:

Computer Browser

Netlogon

Remote Desktop Configuration




WWAN AutoConfig - Windows 7 Service

This service manages mobile broadband (GSM & CDMA) data card/embedded module adapters and connections by auto-configuring the networks. It is strongly recommended that this service be kept running for best user experience of mobile broadband devices.


Startup Type








Default Properties

Display name: WWAN AutoConfig

Service name: WwanSvc

Type: share


File: %WinDir%\System32\wwansvc.dll


Group: TDI






SeImpersonatePrivilege SeAuditPrivilege

Default Behavior

The WWAN AutoConfig service runs as NT Authority\LocalService in a shared process. It shares an executable file with other services. If the WWAN AutoConfig fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the WwanSvc service has failed to start.

Dependencies

WWAN AutoConfig will not start, if the following services are stopped or disabled:

NDIS Usermode I/O Protocol


Plug and Play



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