For upgrading duplex Communication Manager servers, you must use the following upgrade sequence:
1. Upgrade Standby Communication Manager
2. Upgrade Active Communication Manager
Use the procedure to upgrade duplex Communication Manager to Release 10.2.x from:
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Release 7.1.3.8 running on Appliance Virtualization Platform or on VMware.
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Release 8.1.3.8 running on Appliance Virtualization Platform or on VMware.
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Release 10.1.x running on Appliance Virtualization Platform or on VMware.
Note:
From Release 10.1, Appliance Virtualization Platform is no longer available. Therefore, if Communication Manager Release 8.1.x and earlier is on the Appliance Virtualization Platform host, then migrate Appliance Virtualization Platform to Avaya Solutions Platform 130 Release 5.x before upgrading Communication Manager to Release 10.1. Migration of Appliance Virtualization Platform is supported from Avaya Solutions Platform 120 (Dell PowerEdge R640).
The procedure covers upgrades on the same server.