How to Backup vCenter Server Appliance - Veeam Software
https://www.veeam.com/kb232809.08.2017 · VMware Best Practice shows to backup the database as regular maintenance. Then you would be able to restore the server from step 1, then restore the database to whichever point in time with the backup from step 2. To backup the VCSA with Veeam (step 1): Create a typical backup job. VMware Tools Quiescence is disabled on the job level.
KB2136: vCenter Migration Utility - Veeam Software
https://www.veeam.com/kb213608.06.2016 · Veeam Backup & Replication tracks Virtual Machines in its jobs by their Managed Object Reference ID (MoRef ID), which will change when a VM is moved to another vCenter, a new vCenter Database is used, or the VM is removed and re-added to vCenter inventory. Solution The Migration Tool is available here.