We use MS Dynamics CRM 2013 SP 1 Rollup 2 on Windows Server 2012 and separate SQL Server 2012 on Windows Server 2012 as well.
Only one user is affected by the issue. Other users with exactly the same Security Roles in CRM and Groups in Active Directory are not affected whatsoever. I've read that this issue may occur if the user is a member of too many groups in AD but in this case
it's only 7 groups.
This is the second time the issue occures with the same user. The first time it was resolved by deactivating/activating the user in AD. Not this time, unfortunatly.
I have no more ideas what to try and where to look. Help would be greatly appreciated.