dag error

please see attached error while adding nodes to dag and help me.
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Will SzymkowskiSenior Solution ArchitectCommented:
Based on the screenshot with limited details it appears that your CNO (cluster name object) is not present in your active directory domain.

You need to have this so that Exchange can reference the cluster name.

SM_exchangeAuthor Commented:
i have created AAA record and PTR record in dns and my both cluster nodes able to nslookup it.
Will SzymkowskiSenior Solution ArchitectCommented:
The CNO is the Cluster Name Object. This is the objects in Active Directory which represents the DAG.


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