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Beginner

How to upgrade CUCM 11.x to CUCM 12.x..?

Can anyone provide the upgrade procedure for CUCM 11.x to CUCM 12.x step by step..?

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VIP Collaborator

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Hi Mike,
Thanks for the details

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Hall of Fame Cisco Employee

Mandatory reading for planning an upgrade (all for target version):

A) Upgrade and migration guide

B) Release notes

C) RN/README from OVA

D) Compatibility matrix (might be an individual document, might be included in the above)

E) Virtualization wiki for HW/ESXi compatibility

 

If there are move servers involved in the upgrade, you'll have to go through the above for each product.

 

Once you've gone through the above, you'll have all the required information to plan and perform a CUCM + IM&P upgrade

HTH

java

if this helps, please rate
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Hi Jaime,
Thanks for the details