I have an AD group
XYZ that I have added to SQL Server security with
XYZ group has around 10 users in there who are successfully able to access the SQL Server database. I recently added a new user to this group (at AD level), but this person is not able to access SQL Server (through Mgmt Studio) and he's getting the error below
Login failed for user. Reason: Token-based server access validation failed with an infrastructure error. Check for previous errors.
Error: 18456, Severity: 14, State: 11.
I have already verified AD permissions are setup properly, user has restarted his machine, he is not part of any group that has
DENY access and the SQL Server
XYZ group has been removed and readded to the SQL Server instance in Mgmt Studio and server has been restarted.
Any ideas on how to proceed further?