To upgrade VMware-based Session Manager Release 6.3.22 to Release 10.2 first upgrade Session Manager 6.x to 8.1.x, and then upgrade to Release 10.1.x. You cannot directly upgrade the Release 6.3.22 system to Release 10.1 and later.
To upgrade Session Manager Release 6.3.22 to Release 8.1.x, see Upgrading Avaya Aura® Session Manager Release 8.1.x on the Avaya Support website.