You must back up the VMs for vRealize Automation components in a specific order.

When you use backup tools to schedule backups for your vRealize Automation deployment, you must back up the components in the following order:

vRealize Automation Backup Order

If you have multiple components on a VM, select the order considering the latter component on the VM from the list.

If vRealize Orchestrator is a standalone component, then it should be backed up in no particular order before vRealize Automation components.