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

I have upgraded TFS 2015 to TFS 2017, and then the TF30063 error occured on one of my client machines. None of the solutions here worked...

For me the only solution that worked was running the following command from the Developer Command Prompt:

tf workspaces /collection:https://tfs.xxxxx.com/tfs/DefaultCollection

Of course, you need to adjust the url to the valid one.

Source: https://www.visualstudio.com/en-us/docs/setup-admin/tfs/admin/backup/refresh-data-caches