Based on the UCCX tech note I found, I’d say the shutdown and final modifications should be made after a full switch version is performed and you’re running the upgrade release on your active partitions.
This differs from the official word from Cisco on CUCM, which is to adjust the virtual machine resources to match the OVA template specifications before the upgrade is performed. However, also according to official documentation, changing the vNIC to VMXNET3 through PowerCLI should be done post-upgrade. Personally I’ve seen all these modifications being performed after the upgrade is completed and version switched with no negative impact whatsoever, but official documentation and TAC’s stance says the virtual machine settings should be modified first, followed by the upgrade, then wrapped up with the vNIC change to VMXNET3. I can provide documentation if needed - it seems that UCCX documentation differs. Also don’t forget to set the OS security settings to “permissive” if you wish to auto-update the VMware Tools on the virtual machines. - Dan From: cisco-voip [mailto:cisco-voip-boun...@puck.nether.net] On Behalf Of Andrew Grech Sent: Thursday, February 19, 2015 11:43 PM To: Cisco VoIP Group Subject: [cisco-voip] UCCX Virtual 9.0(2) to 10.6(1) Upgrade Hi, I'm preparing an upgrade of uccx 9.0(2) to 10.6(1) When would be be the best time to adjust the OVA file? I need to change the RAM and Guest OS to RHEL6 (although Guest OS change step is not documented) The guide says It is highly recommended that you gracefully shut down the UCCX VMs, and update the memory allocation to the new values after you upgrade to UCCX Version 10.0. If memory allocation for the VM is left unchanged after the UCCX is upgraded to Version 10.0, this warning message displays: Does this mean before the switch version? Cheers Andrew
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