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SharePoint 2010 & PowerShell:

Tips, Tricks, and Random Goodness

Gary Lapointe

Director

, Aptillon, Inc.

SharePoint MVP

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About Me

• Aptill

on, Inc.

 – Director and Founding Partner

 –

http://www.aptillon.com• SharePoint MVP since January 2008

• Blog: http://blog.falchionconsulting.com 

• Twitter: @glapointe

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Load Snap

-

in For any Editor

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Run Elevated

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Finding Help

• Documentation: help <cmdlet name>

• Discovery:

 –Get-Command

 – Get-Member

 – Get-Verb

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PowerShell Command Builder

http://technet.microsoft.com/en-us/sharepoint/ff603532 

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Know Your Output Options

Not like throwing an exception!

help about_Preference_Variables

Exact same thing

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Fancy Output

Baloon Tips

Text to Speech

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WhatIf ???

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Negating Switch Statements

Bug: Enables Kerberos

Omitting will disable Kerberos

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Don’t Use ForEach-Object in Scripts

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Test Loops & Conditions Before

Making Changes

But Wait! What’swrong with this

example?!?!

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Objects Need to be Disposed!

Don’t rely on the

SPAssignmentCollection!

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Functions Can Support the Pipeline!

Be Careful! Extra

Work is Needed for

normal functioncalls!

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Use Advanced Parameters

Type help about_functions_advanced_parameters for more examples 

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Create Dynamic Objects for Complex Output (as

opposed to Select-Object)

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Adaptive Type System: XML

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Splatting

• Provides cmdlet properties via a hash table

• Create a hash table:

 – $varname = @{"key"=value;…} 

• Pass to cmdlet as @varname

 – New-SPSite @varname

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Executing Script Block Variables

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Null HTTP Context

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Watch for Cached Assemblies

• When activating Features via PowerShell,

close your PowerShell session after each

updated Solution deployment

 – Applies to any references to code that have been

updated, not just Features (but Features are the

more common scenario)

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Enabling Remoting• Run Enable-PsRemoting on the client and server machines

• Must Enable CredSSP on client and server machines – Client: Enable-WSmanCredSSP -Role Client -DelegateComputer <remote server name> 

 – Server:Enable-WSmanCredSSP -Role Server

 

• Increase the MaxMemoryPerShellMB setting on server (default is150MB) – Set-ItemWSMan:\localhost\Shell\MaxMemoryPerShellMB 1024

• Decrease MaxShellsPerUser and MaxConcurrentUsers (default is 5) – Set-ItemWSMan:\localhost\shell\MaxShellsPerUser 2

 – Set-ItemWSMan:\localhost\shell\MaxConcurrentUsers 2

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Remoting Session Configurations

• Use Register-PSSessionConfiguration to preloadSharePoint PowerShell Snap-In

 – Must also set threading options

• Use Set-PSSessionConfiguration with -ShowSecurityDescriptorUI 

parameter to set security• Provide configuration name when callingNew-PSSession

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Additional Resources

• http://blog.falchionconsulting.com 

 – Buy my book 

•

PowerShell.com – lots of good tips

• PowerShell Cheat Sheet:

 –

http://tinyurl.com/3hgtfke

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About Aptillon• SharePoint MVPs

• Microsoft Certified Master

•

Consultants, Trainers, Authors, Speakers,Bloggers

• Great People, Great Experience, Great Passion

Matthew McDermottDavid Mann Gary Lapointe Darrin Bishop Maurice Prather Dan HolmeTodd Baginski

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Questions?