That blasted VSMDI file. Well Buck, Tom and crew did it. They have finally given us the ability to run tests ( albeit all ) found in an assembly regardless of test lists. http://blogs.msdn.com/buckh/archive/2006/11/04/how-to-run-tests-without-test-metadata-files-and-test-lists-vsmdi-files.aspx I am currently integrating this into TfsAlert and will post my findings.