The VSA is installed on computers that can perform backup and restore operations for a specific hypervisor platform.
When adding the Command Center to an existing Commvault deployment, ensure that the following requirements are met:
At least one machine must have the Virtual Server Agent installed.
To add Hyper-V servers, the CommServe system must have the Virtual Server Agent installed.
Guest Virtual Machine Support
In general, the VSA supports backup and recovery for guests running any of the operating systems supported by the hypervisor platform.