I am using Visual Studio 2010. Some months back I was using some \'ABC\' TFS user to connect to TFS and mapped some folders on my local drive. Now my previous user \'ABC\' i
I end up in same issue after the person who setup Jenkins left our company. He had setup workspace and TFS checkout was using alternate authentication. As his credentials are removed from msdn, TFS checkout started choking.
Following LarryG's solution helped to remove the workspace. Only difference is, I just used the windows live ID of the person, who left the company.
tf workspace /delete myWorkSpaceName;windowsliveID