i have 4 server in which i am running 3 vms on each server ,i will purchae vray edition,i will install backup exec media server on a seprate phyisical server,

now i want to know how will i take the backup of VMS do i need to push agent from media server on each vm or only one agent on each phyisical server where my hyper v vms are created.

and how my dedup works