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.


Follow the prerequisites for upgrading vCenter Server High Availability environments.


The upgrade sequence of vCenter Server VMs must be Witness => Passive => Active.


  1. Upgrade the vCenter Server Appliance 6.5 or 6.7 HA Cluster with an Embedded Platform Services Controller to 7.0U1 by Using the vCenter Server GUI.

    When you upgrade, ensure that the Stage 1 and Stage 2 processes are completed properly.

  2. Update vCenter Server from 7.0U1 to 7.0U1C as follows:
    1. Remove the vCenter HA configuration.
    2. Install vCenter Server Patches.
  3. Upgrade the Distributed Switches from version 6.7 to 7.0.