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Update Cisco Unified CM Administration 10.5.2.10000-5 to 12.5

manueldasilva195
Beginner
Beginner

Hello everybody,

I would like to update cisco unified CM Administration 10.5.2.10000-5 to version 12.5 and would like to know in detail what to do.

 

Could you help me with that?


I currently have 72 working phones

 


Thank you

3 REPLIES 3

Hello,

 

The best option is go through the upgrade guide:

 

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/12_5_1_SU1/cucm_b_upgrade-and-migration-guide_1251_SU1.html

 

Points to remember

- 12.5 will have cloud based PLM

- Hardware compatibility is changed

- IMnP should be upgraded as part of CUCM

 

Vineet.

ccoshan
Beginner
Beginner

Go through the Compatibility Matrix CUCM 10.5 to 12.5 

Are you going to Use PCD or Direct Upgrade?

Take the UID license file details, if you have an active contract which helpful for converting 10.5 to 12.5 licenses.

Check Any deprecated Phones models registered?

Take a DRS backup of existing cluster.

Follow pre upgrade and Post upgrade checklist.

Jaime Valencia
Hall of Fame Cisco Employee Hall of Fame Cisco Employee
Hall of Fame Cisco Employee

Mandatory reading for an upgrade, all for the target version:

A) Upgrade and migration guide

B) Release notes

C) README from OVA

 

HW and ESXi compatibility also has to be checked, use the Cisco Collaboration Virtualization for that.

 

After thoroughly reading the above docs, you will have all the information that is required for this, requirements, and the procedure.

HTH

java

if this helps, please rate
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