To upgrade objects in your vSphere environment, you can use predefined hosts and VM baselines that are created during the installation of the vCSA. Baselines are used during the scan of the VM to determine the compliance level of scanned objects (hosts, VM, and virtual appliances).
While host baselines can be customized, you cannot create custom VM or VA baselines.
In vSphere 6.5 Update 1, VUM was integrated into vSAN, providing an automated update process to ensure a vSAN cluster is up-to-date with the best available release to keep your hardware in a supported state.
VUM provides some predefined baselines that can only be attached or detached to the inventory objects, without the ability to edit or delete them:
