Really weird situation - There is a PC where local/domain admins can't log off specific user accounts. They can log off other users, even other local/domain admins, but there are two domain user accounts that can't be logged off, no matter what. All you get when you try is this message: The only thing I can find which may/may not apply is this - http://support.microsoft.com/kb/242917 Nothing else makes any sense. It almost seems as if these two accounts have put themselves into a sandbox, and others can't touch them. Any thoughts/ideas?