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31 Days of our Favorite Things: Active Directory Gremlins? (Part 27 of 31)

Don't get Windows Server 2012 wet!

Yes, today in our “31 Days of our Favorite Things” series, Matt Hester is talking about Gremlins; specifically, the kinds of nasty things that can happen to an Active Directory domain controller that is virtualized, and when you attempt to restore an old snapshot or a backup of that virtual machine. 

“Ah.. you mean the old ‘Event ID 2095’?  The dreaded USN Rollback?”

Exactly.  AD Replication stops replicating.  Domain controllers stop domain-controlling.  Panic in the streets.  Mass hysteria.  All sorts of not good stuff.

“But, what can be done about it?”

Ah… In Windows Server 2012 we introduce something called the VM-GenerationID attribute.  I’ll let Matt give you all the details, but basically this little item allows a safe restore of an old copy of AD.  It also enables the ability to quickly create new domain controllers as clones of an original virtual machine.  Pretty slick stuff!


Hyper-V Server Download


Any questions?   Comments?  Concerns?  Cheap shots?  Opinions on old ‘80’s movies or interesting antique automobiles?  That’s what the comments are for.

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More Stories By Kevin Remde

Kevin is an engaging and highly sought-after speaker and webcaster who has landed several times on Microsoft's top 10 webcast list, and has delivered many top-scoring TechNet events and webcasts. In his past outside of Microsoft, Kevin has held positions such as software engineer, information systems professional, and information systems manager. He loves sharing helpful new solutions and technologies with his IT professional peers.

A prolific blogger, Kevin shares his thoughts, ideas and tips on his “Full of I.T.” blog (http://aka.ms/FullOfIT). He also contributes to and moderates the TechNet Forum IT Manager discussion (http://aka.ms/ITManager), and presents live TechNet Events throughout the central U.S. (http://www.technetevents.com). When he's not busy learning or blogging about new technologies, Kevin enjoys digital photography and videography, and sings in a band. (Q: Midlife crisis? A: More cowbell!) He continues to challenge his TechNet Event audiences to sing Karaoke with him.