[cisco-voip] CUCM 11.5 Upgrade Question

[James Buchanan]

Hello,

I've upgraded by changing the vmx file and it worked fine. That said,
depending on how many times you upgraded in the past, it might be worth
doing a fresh build. I did an upgrade from 11.5 to 12.5. After the upgrade,
MOH did not work from one subscriber. I opened a TAC case and TAC said the
issue was due to an unclean power outage when the server was running 10.5.
So, they recommended a rebuild of that subscriber. I admit I was skeptical
but eventually did the rebuild and MOH worked fine after that. Strange but
true.

Thanks,

James

On Wed, Feb 2, 2022 at 7:34 AM JASON BURWELL via cisco-voip <
cisco-voip at puck.nether.net> wrote:

> I’m planning an upgrade from CUCM 11.5x up to either 12.5x or 14.0x. It
> appears I’m going to either have to build new servers from an updated ova
> or make changes to the vmx file to upgrade the virtual hardware version
> which looks to be a supported path from Cisco as they provide a doc to do
> this. Just wanted to throw out the question from those who have done this
> upgrade and took the path of changing the vmx file rather than building new
> servers; Did you have any challenges in doing this? Any reason to lean hard
> one way or the other? Any input is appreciated. Thanks Jason
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