I would also advise going to Commvault if you are not into buying storage for backup. The two main considerations for Commvault is at first the cost of licensing (as capacity licenses seem to be pricy, and you may need to give extra bucks for backing up some additional X…

It depends. I would say both for the present. I cannot avoid using both anyway. Most of the security apps I use require a vmware hypervisor whereas hyper-v serves better for the microsoft apps.