[cisco-voip] CUCM 11.5 Upgrade Question

[JASON BURWELL]

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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