Sean Lumley has written an excellent blog article detailing how to debug pages that fail under load: http://blogs.msdn.com/slumley/pages/debugging-errors-in-load-test.aspx We have this requirement quite a bit in our performance and scale lab sessions...

I'm always forgetting this one and people often ask me for it so I'm popping up here in the hope I'll find it easier next time. It's an old problem where Visual Studio 2005 goes looking to connect automatically to TFS when you change between TFS servers...