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I have two servers: serverA and serverB. They can see the same SAN disks: a 4 and a 400 GByte one. I created the Failover cluster on them, but the cluster says an error: 

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

Ensure that the network adapters associated with dependent IP address resources are configured with at least one accessible DNS server.

AFAIK this is related that the object for ServerA and ServerB in the AD doesn't have permission for the Cluster object in the AD.

Question: What permission and how can I give in the AD to resolve this error message?

Peter
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It's an error 1196? Doublecheck that you have set the DNS server adresses right in every networks you have. I had this issue once, cause one of the networks had a different DNS adress, and pushed these errors every half an hour.

Strepsils
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    it is 1196, yes. 2 NIC: 1 for accessing the machine, 1 for heartbeat. I set the nameserver for the heartbeat too, but didn't helped. I think it is an AD related issue. It is in the logs at every 15 minutes. – Peter Aug 18 '17 at 12:54