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Old 08-05-2015, 11:12 PM
mlashe mlashe is offline
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Join Date: Oct 2013
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Default Communication Manager upgrade from CM 5.2.1 to CM 6.3.11

The Solution is two duplex servers S8730 on main site and two duolex server S8730 on ESS site, both are running CM 5.2.1.

Steps to upgrade:
Upgrade ESS first, then upgrade the CM.

My queries are,
- Can i upgrade directly from CM 5.2.1 with (pre-upgrade patch) and resore to CM 6.3.11 directly, or have to upgrade to CM 6.3.0 then install SP11

- While upgrading ESS, is there any need to backup and restore on ESS server, or just to unplug the old server and plug the new configured server. as the configuration is pushed from the main server.
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