Many Scrum Teams make use of a team’s velocity to help in forecasting. TFS provides just such a feature but beware – the results can be misleading for the unwary.
If you use Visual Studio Online or Team Foundation Service, and the Visual Studio IDE, it’s possible you’ll come across the TF31003 error. If you have more than one Microsoft account as well, you just increased your chances greatly. Here are a couple of possible solutions to the error.