Have .NET Framework 4.0 installed. If you are running %BRAND_WINDOWS_SHORT% Server 2008 or %BRAND_WINDOWS_SHORT% Server 2012, ...

Have .NET Framework 4.0 installed. If you are running %BRAND_WINDOWS_SHORT% Server 2008 or %BRAND_WINDOWS_SHORT% Server 2012, then .NET Framework is probably already installed. If not, you can download .NET 4.0 from the download center or by using %BRAND_WINDOWS_SHORT% Update.