Powershell Version 3.0 Breaks 2010 SharePoint Shell

Not applicable to SharePoint 2013

If Powershell verions 3.0 is installed on your SharePoint 2010 server, the farm will become inaccessible.

The Powershell Version 3 download is located here:


To see if this is the case without opening powershell, search installed updates for:




Run this from the PS console to see which version of the shell you’re running:




This is the error that results:

This has been resolved with SharePoint 2013 and is not an issue there.