Tag Archives: DNS

Domain Controller Demotion Fails with “the directory service is missing mandatory configuration information, and is unable to determine the ownership of floating single-master opration roles

Attempting to demote a domain controller halted with the following error.. Demoting the domain controller will not success until this is resolved. Because we are modifying the domain with either a promotion or demotion of a domain controller and th … Continue reading

Posted in Active Directory Services | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

Unable to Open Default Mail Folders. You do not have permission to log on.

Working on an Exchange 2003 to 2010 transition I came across the “unable to open default mail folders. You do not have permission to log on” error. After a bit of troubleshooting, including; verifying OWA access, Autodiscover, isolating the issue … Continue reading

Posted in Exchange Server 2010 | Tagged , , , | Leave a comment