I need to change the DNS address in cucm 5 via the set network dns primary CLI, is there any issue in doing this and do I need to do it on all servers in the cluster or just the pub.
The only issue would be to make sure that the new DNS server can resolve any necessary lookups done by the CUCM. You will need to make the change on all servers.
Hope this helps. If so, please rate the post.
Brandon
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