When I say 'Easy Answer' - I mean 'this is your easy option', not that the question is easy!!
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Browse All TopicsA client of ours was playing around with security protocols and Group Policy to get a mac book to bind to a Windows Server 2008 AD. Now no one is able to login to the Domain or server console. The Error at the Server console in unknown username or password. They can start the DC in Safe Mode and login.
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by: bluntTonyPosted on 2009-08-12 at 08:02:08ID: 25079429
Easy answer - restore from a backup made before the client started making changes.
rt.microso ft.com/kb/ 241594
Boot into DSRM and restore the system state. If you more than one DC, then make the restore authoritative:
http://suppo
If you really cannot even log in to troublshoot the problem, then this may be your only option, and the quickest!