Error TF30063: You are not authorized to access … \DefaultCollection

Question

I\'m using TFS Preview (Team Foundation Service) with one of my projects with Visual Studio 2012. I\'m also using an on-premises TFS server with most of my projects. When I

Answer 1

Make sure your password hasn't coincidentally expired exactly on the same day you decided to install a new dev machine.

If you can't even log into TFS using the web interface then this may be the case.