This section describes how to upgrade vCenter Servers from 6.7 U3j to 7.0U1C in Active, Passive, and Witness nodes, if your vCenter Server Appliance is configured in a vCenter High Availability (HA) cluster.
Prerequisites
Follow the Prerequisites for Upgrading vCenter Server High Availability Environments.
Note:
The upgrade sequence of vCenter Server VMs must be Witness => Passive => Active.