03-27-2017 06:11 PM - edited 03-19-2019 12:16 PM
We will be changing our server domain names on our CUCM 11.5 cluster (inc IM&P). The host and ip address will remain the same, just the FQDN will change.
In the process documents for 10.x or >, there doesn't seem to be the need to perform the "Prepare Cluster for Rollback to pre 8.0" Feature?"
We use non-secure cluster security, with our phones using ITL certs.
Wanted to know if anyone performed operating system DNS changes >10.x and found to have ITL certs issues post change, without using the pre 8.0 feature, or should we just use that feature anyway as a precaution?
Many thanks in advance.
Sharon
03-27-2017 08:59 PM
As long as you don't go and change them one right after the other, or try to do them all at the same time, there should be no problems
Read here:
http://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-callmanager/116232-technote-sbd-00.html#anc16
03-27-2017 09:51 PM
Thanks for the confirmation Jaime, much appreciated.
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