Event ID 1196 and 1579, Failover Cluster error on Exchange Servers DAG

Event ID 1579: Cluster network name resource ‘Cluster Name’ failed to update the DNS record for name “DAG DNS Name (DAG.contoso.com)” over adapter ‘MAPI Network’. 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 “DAG DNS Name (DAG.contoso.com).

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