Thursday, March 20, 2014

Exchange 2010 DAG - Cluster Event 1579

I am in the process of changing my backup structure to EMCs Avamar and Datadomain.
Avamar provides a granular restore functionality for Exchange 2010 and using a DAG component for the VSS enabled backup of your data stores.
Part of the setup process is to create a DNS entry for the cluster object manually before running Avamar's DAG configuration tool. After running the tool and setting everything up I noticed this warning and error in my clusters event log:

Warning Event ID: 1196
Cluster network name resource 'YourClusterNameHereresource' failed registration of one or more associated DNS name(s) for the following reason:
DNS operation refused.

Error Event ID: 1579
Cluster network name resource 'YourClusterNameHere' failed to update the DNS record for name 'YourClusterNameHere' over adapter 'YourAdapterNameHere'. The error code was 'DNS operation refused. (9005)'. Ensure that a DNS server is accessible from this cluster node and contact your DNS server administrator to verify the cluster identity can update the DNS record

I turned to my good friend Google and I was given the follow web site:
http://technet.microsoft.com/en-us/library/ee830298(WS.10).aspx

After reading all of this === BLAH!

At the very bottom first comment is the answer. You manually created the DNS entry for the cluster. Thus you must grant the cluster AD object ownership of its DNS record.
After going into DNS and granting FULL permissions to the cluster object for its DNS record the problem is solved and event logging happy once again. Thank you very much IronPeddle.

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