CUCM cluster upgrading

[bo liu]

hello everyone

i want upgrad my cucm cluster from 8.0.0 to 8.0.3,in my cluster have two server one pub and one sub

who can shell some doc. tell me how to do it

thanks very much

[ronpatel · Accepted solution]

Hi

Below document has all the required steps. It is very easy upgrade

http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/rel_notes/8_0_3/cucm-rel_notes-803.html#wp1395212

Regards
Ronak Patel

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[yaobin51666 · Accepted solution]

Hi, Bo Liu

Pls upgrade Sub and Pub to new version when this time you must be switch version and reboot these CM. Oh,BTW,don't forget back up !!!

Bin Yao

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