Tuesday, May 31, 2016

Troubleshoot DNS AD Synchronisation Error

I’m having trouble starting dns services on one of my domain controllers. I have two DC’s one is Server 2003 SP2 and the other Server 2008R2 SP1. The failed dns service is on the server 2008 box. DNS has been running on both these servers for a long while with no problems until recently. My intention was  this summer (we’re a school) to decommission the 2003 domain controller and replace with Server 2012 domain controller and leave the 2008 DC. However, since the 2008 DC is the failing dns service I was thinking of replacing that server with a 2012 domain controller as well.
The Application logs on sever 2008 are showing event 1000 dns.exe is faulting, event 4113 The DNS server is waiting for Active Directory Domain Services (AD DS) to signal that the initial synchronisation of the directory has been completed.
I found this solution:
1. Log onto the First Domain Controller
2. Open RegeditNavigate to HKLM\SYSTEM\CurrentControlSet\Services\NTDS\Parameters
3. Right-click Parameters, click New, and then click DWORD Value.
4. Type “Allow Replication With Divergent and Corrupt Partner” and press enter.
5. Open the entry and in the Value Data box type 0
6. Reboot First DC wait for it to come back online and then repeat the above steps on the Second DC.

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