Now before starting this activity need to take backup for few VMs like. You can check my last blog regarding same.
Here is the link http://www.dtechinspiration.com/upgrade-vmware-vcloud-director-for-service-providers-v8-1-0-to-v8-20/
Now starting activity
Steps to upgrade
We are running only one vCD cell server. Here is the process:
- Restrict access to vCD and display a maintenance message for the duration of the upgrade.