VSTS - TF400813: The user 'Guid\FirstName@c.com' is not authorized to access this resource

Question

We are having problem when accessing the client VSTS.

While Client adding us (FirstName@c.com) as work account it changed to (Eg: EmpId@c.com). When we tried to acc

Answer 1

The issue is mainly caused by the VSTS account is not connect with the AAD which your user account EmpId@c.com stored in.

Since the email address EmpId@c.com is not a Microsoft email, it will be backed to AAD when connecting the VSTS account. If the client VSTS is not connected this AAD or connected with another AAD, you will not be authorized to login the client VSTS account.

In order to connect the client account, you can follow any of the be options:

Option 1: connect VSTS to Azure AAD

Detail information about connect VSTS account to AAD, you can refer here.

Option 2: use Microsoft email login your client VSTS account.

You can use a Microsoft email address (such as user@outlook.com or user@hotmail.com etc) instead the address EmpId@c.com. And ask the client to add the Microsoft email to the VSTS account. It’s easier and recommend way.