TfsConfig workspacecleanup /collection: /configure /days: /defaultMailAddress: /overrideMailAddress: Configures the workspacecleanup ...

TfsConfig workspacecleanup /collection: /configure /days: 
                           /defaultMailAddress:
                           [/overrideMailAddress:]

            Configures the workspacecleanup job for the given
            collection. Any workspace or shelveset that has not been
            accessed in  will be processed for cleanup. If no
            email address exists for the owner then mail will be sent
            to . Specify  if you want to
            test the service and have all notification mails sent to
            

TfsConfig workspacecleanup /collection: /execute

            Immediately queues the workspacecleanup job to run
            for this collection.

TfsConfig workspacecleanup /collection: /disable
 
            Disables the workspacecleanup job for this collection.