Saturday, October 16, 2010

Uninstalling Previous Versions of PowerShell

Uninstalling Previous Versions of PowerShell
PowerShell v1 RTM shipped as updates to the OS. Therefore, it will show up only in the updates section. To look for previous versions, do the following:
 On Windows XP/Server 2003:
·         Go to Add/Remove Programs
·         Select Show Updates
·         Look for any of the following KB numbers which indicate earlier versions of PowerShell
o   KB926139 – Windows PowerShell v1.0 RTM – English Language Version
o   KB926140 – Windows PowerShell v1.0 RTM – Localized Installation Package
o   KB926141 – Windows PowerShell v1.0 RTM – MUI pack
o   KB925228 – Windows PowerShell v1.0 RC2
·         Versions of V1 prior to RC2 are MSI based installations and they will appear as Windows PowerShell in the programs list
·         Uninstall the previous version that's installed
On Windows Vista:
·         Go to Programs and Features
·         Click on View Installed Updates
·         Look for any of the following KB numbers which indicate earlier versions of PowerShell
o   KB928439 – Windows PowerShell 1.0 RTM
o   KB923569 – Windows PowerShell 1.0 RC2
·         Version of V1 prior to RC2 are MSI based installations and they will appear as Windows PowerShell in the installed programs list
·         Uninstall the previous version that's installed
On Windows Server 2008:
·         Launch Server Manager
·         Go to Features
·         Click on Uninstall Features. This brings up a list of installed features to choose from
·         Select Windows PowerShell and uninstall
 

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