04-01-2021 09:38 PM
Hi Guys,
We have already installed both CUCM and IM & P version 11.5. But IM & P still not in a production environment. In meantime, we have decided to upgrade both CUCM and IM & P to version 12.5.
My question is can we upgrade IM & P first to version 12.5 while keeping CUCM 11.5? Is there any compatibility issue?
Solved! Go to Solution.
04-01-2021 09:51 PM
04-01-2021 11:22 PM
No you cannot. In versions prior to 12 the version numbers for CM and IM&P have to match the five first digits, from version 12 this changes to the first three digits.
04-01-2021 09:51 PM
04-01-2021 11:22 PM
No you cannot. In versions prior to 12 the version numbers for CM and IM&P have to match the five first digits, from version 12 this changes to the first three digits.
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