Error:

Event id 1196, 1119 FailoverClustering appearing on the clustered Exchange and SQL servers, although the cluster seems to be fine the errors are annoying. Cluster network name resource ‘SQL Network Name (MCCNPSQLDB00)’ failed to register DNS name ‘MCCNPSQLDB00.smtp25.org’ over adapter ‘Production VLAN 400’ for the following reason: DNS operation refused.

Cause:

The cluster name resource which has been added to the DNS prior to setup active passive cluster ( or any type) need to be updated by the Physical nodes on behalf of the resource record itself. When the active node owns the resources it want to update the A record in the DNS database and DNS record which was created won’t allow any authenticated user to update the DNS record with the same owner

Solution:

Delete the existing A record for the cluster name and re-create it and make sure select the box says “Allow any authenticated user…