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Microsoft Windows PowerShell 2.0 Programming Second Edition Updates

As is the case with most popular programming language, Microsoft continues to enhanceand improve Windows PowerShell 2.0 with the release of Windows PowerShell V2CTP3. A number of changes have occurred with Windows PowerShell 2.0 since this

book was published. This document provides a summary overview of many of thesechanges. For a complete review of the changes that have been made to WindowsPowerShell 2.0, refer to the Release Notes provides that accompany WindowsPowerShell 2.0.

Supported Operating Systems

Windows XP SP3

Windows Server 2003 SP2

Windows Vista SP1

Windows Server 2008

Note: Windows PowerShell will execute on either the x86 or x64 platforms of all ofthese operating systems Windows PowerShell 2.0 is included as an option features inWindows 7 (beta).

Updated System Requirements

Windows PowerShell 2.0 requires .Net Framework version 2.0

Windows Remoting requires WinRM 2.0 CTP3

Graphical Windows PowerShell has been renamed Windows PowerShellIntegrated Scripting Environment (ISE)

.NET Framework 3.5.1 is required to run ISE and to use the Out-GridView cmdlet Get-WinEvent, Get-Counter and Import-Counter only work on Windows Vista

and Windows Server 2008.

Get-WinEvent requires .NET Framework 3.5.

Renamed cmdlets

Get-Event has been renamed Get-WinEvent

Push-Runspace has been renamed Enter-PSSession

Pop-Runspace has been renamed Exit-PSSession

Add-Module has been renamed Import-Module Register-PSEvent has been renamed Register-EngineEvent

*-Runspace cmdlets have been renamed *-PSSession

*-PSEvent cmdlets have been renamed *-Event

*-PSTransaction cmdlets have been renamed *-Transaction

*-PSJob cmdlets have been renamed *-Job

*-PSEventSubscriber cmdlets have been renamed to *-EventSubscriber

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Windows Remoting Configuration

The Config-WSMan.ps1 script located in the $pshome directory has beenreplaced with Enable-PSRemoting cmdlet. To configure Windows Remoting, you

must execute the following command:Enable-PSRemoting -force

If upgrading from Windows PowerShell version 2 CTP2 you must execute thefollowing commands:

Unregister-PSSessionConfiguration * - force;

Register-PSSessionConfiguration Microsoft.PowerShell force;

Enable-PSRemoting -force

Windows PowerShell Integrated Scripting Environment (ISE)

The executed for ISE is now powershell_ise.exe

The term runspace has been replaced with PowereShell tab

Additional Notes

To install Windows PowerShell version 2.0 CTP3, you must uninstall anyprevious version of Windows PowerShell.

Windows remoting only works on computers running Window Vista SP1 orWindows Server 2008.

Windows background jobs rely on Windows Remoting in order to execute.Windows Remoting must be enabled for background jobs to execute.