Trouble connecting vs 2008 to TFS? If you are running a newer version of TFS, 2008 does not understand collections. In order to fix that, you need the following installed: SP1 http://www.microsoft.com/en-us/download/details.aspx?id=13276 Team Explorer http://www.microsoft.com/en-us/download/details.aspx?id=16338 Forwards Compatibility https://www.microsoft.com/en-us/download/details.aspx?id=10834