Article ID: 2828540 - View products that this article applies to.
The FAST Search Server Administrative cmdlets do not function properly after installing PowerShell 3.0 on the FAST Search Server.
FAST Search Server 2010 for SharePointsupports PowerShell 2.0 and .NET 3.5 and is not compatible with PowerShell 3.0 or .NET 4.0 as of the time this KB was published.
If PowerShell 3.0 is already installed, do not uninstall it as that will cause potential rollback issues.
PowerShell 3.0 supports targeting a previous version, allowing the use of the FAST cmdlets. This can be implemented using the following steps on all servers running FAST Search Server 2010 for SharePoint:
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The version parameter indicates that PowerShell needs to load the .NET 3.5 Runtime to maintain the supportability and compatibility of FAST Search Server cmdlets.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.
Article ID: 2828540 - Last Review: March 15, 2013 - Revision: 2.0