Author : Chris Bedford
URL : http:////docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vcenter.upgrade.doc/GUID-572E74CE-3FB8-4E6...
Topic Name : Example Upgrade Paths from vCenter Server version 6.x to version 6.7
Publication Name : vCenter Server Upgrade
Product/Version : VMware vSphere/6.7
Question :
This is the only page I can find that says what order things need to be. That is, to upgrade the platform controller before the vCenter appliance. It needs to be made clearer on the upgrade information.