PowerShell 2.0 is not installed which is required by Exchange Connector component. Solution: please install PowerShell 2.0. ...

%11PowerShell 2.0 is not installed which is required by Exchange Connector component. 
Solution: please install PowerShell 2.0. For more information on PowerShell 2.0 installation see http://support.microsoft.com/kb/968930.
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