Upgrading UCCX-Express to 10.6.1 (SU2) from 9.0.3. I have all the documents from the class and went through the LAB on performing an upgrade. If anyone knows of a gotcha or watch out for, it would be appreciated. CM is 9.1.2 and will upgrade at a later time.
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I just recently did an upgrade from 8.5(1) to 10.6(1)SU1. The biggest thing that I ran into issues with was the requirement for DNS, including reverse DNS. I had not previously used DNS on the UCCX server. It is required in 10.6. I am not certain if this requirement was implemented in 9.x or 10.x, but worth looking into!
If you are uncertain if it is configured, you can run the command "show network eth0", from the CLI.
Note in general across the portfolio DNS is moving from optional to mandatory. Recent UCM SRND guidance is talking about FQDN, vs. just IP addresses or hostnames-sans-FQDN.
IIRC, I think mainly for certificate-type things with Jabber and other softclients.
Doesn’t change operational requirement for customer DNS to be highly available, responsive, not return bad mappings, etc. to ensure the Collab apps will function correctly.
Similar to when Collab apps must connect to customer’s groupware, directory or business apps.