Undo Changes (Remove lock) in another User's Workspace in TFS

To undo another user's lock

1. Click Start, click All Programs, click Microsoft Visual Studio 2008/10, click Visual Studio Tools, and then click Visual Studio Command Prompt.
2. Type the following command and replace the arguments with the appropriate parameter information for your needs:

   tf undo /workspace:OtherUser'sWorkspace;OtherUser $/TeamProject/File.cs /s:http://YourTFSServer:8080
   
   eg: tf undo /workspace:II-SW-DSK-009;CORP\Jagdish.Kholiya $/BimaExpress/BimaExpress_V1.0/BimaExpress/BimaExpress.Services/BimaExpress.Services.csproj /s:http://ii-srv-dev-03:8080/tfs