Active Directory no working through SQL server Management studio

by Lucy   Last Updated August 10, 2018 12:06 PM

I have created a Group in SQL Server and add in an Active Directory group to it with a users .

When I try to login through Windows authentication , it gives me the following error :

Login failed for user 'UserName'. (Microsoft SQL Server, Error: 18456)

But when I add just an AD user separate from the group ,it has no problem to login .

Why can I not get the logins working from a group ?

I have tried changing the Active Directory settings from global to universal type but that didn't change anything

This on Windows 2016 server machine and SQL Server 2017

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