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Time Sync Service on Server 2008 R2 PDC not working after P2V conversion

Posted on 2012-03-25
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Last Modified: 2012-03-26
Hello Folks,

I did an offline P2V conversion of a  Server 2008 R2 PDC from a shadowprotect image and once I booted it up on the host, I noticed that the time service was no longer working as the time was 4 hours off. I tried enabling the time service in the default domain controllers group policy but that has not worked. Also Exchange says in the event logs that it cannot replicate becuase the time is not correct. I need to get this working by the end of the day today so I will appreciate any help!
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Question by:JohnnyD74
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Expert Comment

by:Ilya Rubinshteyn
ID: 37764288
what is your virtualization platform?
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Author Comment

by:JohnnyD74
ID: 37764304
It is VMware ESXI 4.1
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Assisted Solution

by:Leon Fester
Leon Fester earned 333 total points
ID: 37764704
Check that you VM Guest is not configured to sync time with the Vm HOST.
It's a common cause of this kind of headache.

Read the best practices from VM:
http://www.vmware.com/files/pdf/Virtualizing_Windows_Active_Directory.pdf
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Author Comment

by:JohnnyD74
ID: 37764780
Wow....this that did trick on the PDC! Now what is the proper method to set all the clients so they synch with the PDC? Do I set up a time sync group policy for the clients?
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Assisted Solution

by:Leon Fester
Leon Fester earned 333 total points
ID: 37764804
AD has a builtin hierarchy that should kick in automatically.
Just make sure that your DC is configured as an authoritative time source.
http://support.microsoft.com/kb/816042

Some links on how the time server works:
http://blogs.msdn.com/b/w32time/archive/2007/09/04/keeping-the-domain-on-time.aspx
http://technet.microsoft.com/en-us/library/cc773013(v=ws.10).aspx
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Expert Comment

by:Ilya Rubinshteyn
ID: 37765542
Also, make sure that time sync is turned off on all the VM's, otherwise it will keep interfering.
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Darius Ghassem earned 167 total points
ID: 37766149
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