Upgrading the vCenter Server Appliance

An existing vCenter 5.5/6.0 Appliance can be upgraded to VCSA 6.5. This is done using the upgrade wizard of the vCenter Appliance installer. An upgrade does not change the current deployment model; if the vCSA is accompanied by external SSO/PSCs, then they will need to be upgraded first. The upgrade procedure is the same for both vCSA and PSC appliances.