05-24-2022 03:52 AM
How can i update my CUCM 10.5 to 12.5 without tech support connected
05-24-2022 04:07 AM
What you mean with "without tech support connected"?
05-24-2022 04:16 AM
05-24-2022 04:23 AM
Then you should get a valid service contract.
You could do the upgrade without a service contract, if you have all the relevant upgrade ISO's, and locale files, ...
But without a valid service contract, you can't upgrade the licenses.
You need licenses for CUCM 12.x, which needs to be in a Smart Account, where the CUCM then needs to register to.
05-24-2022 06:11 AM
Without a valid support contact you can not reach the goal that you have to update your system. As @b.winter wrote you'll need to have a service contract to get your licenses from the CM 10.5 into the correct format to work with version 12.
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