10-22-2018 06:00 PM - edited 03-19-2019 01:35 PM
Can anyone advise the Best Practice to upgrade CUCM Hardware / Software
Current Hardware : UCS220 M3
New Hardware : BE6K
Current CUCM Version : 8.6
new CUCM version : 11.5
High Level Plan (if possible!):
Step1: Full Backup of current UCS220 server (I take it that is possible along with a data)
Step2: Installation of 8.6 software on new UCS BE6K
Step3: Restore Backup on New CUCM 8.6 on UCS BE6K Server
Step4: Upgrade new UCS BE6K Server to 11.5 (or does this need a step upgrade. I already have the new licence keys from 8.6 to 11.5)
Anyone got any thoughts on best way to do this - It would be much appreciated??
Thanks
10-22-2018 08:08 PM
You can do a PCD migration given you meet the requirements. You'll migrate to 11.5 directly.
Your plan is also valid.
The upgrade guide, release notes, and ReadMe from the ISO image will provide all the info you need to plan the upgrade for your plan.
10-24-2018 05:01 AM
The method you described is how we normally perform such an upgrade. Make sure you understand the target version .ova requirements and that you verify the data. Consider how many servers you want to take along with you on the upgrade and how many you can start over on after the target version is reached. PCD is an option but requires more help from TAC if something goes wrong.
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