Not able to connect with TFS through Visual Studio 2012, giving below exceptions on launching "Source Control" option from Team Project...
From Activity Log i found below error:
SetSite failed for package [Microsoft.VisualStudio.TeamFoundation.VersionControl.HatPackage, Microsoft.VisualStudio.TeamFoundation.VersionControl, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a]