Hyper v wmi based backup.
Windows server backup 2016 hyper v.
In windows server 2016 we see two files appear the first time you take a backup of a vm with configuration version 8 0 on windows server 2016 hyper v.
This approach still utilizes vss inside the virtual machine for backup purposes but no longer uses vss in the host operating system.
These files appear per virtual hard disk and are there to stay.
A mrt file and a rct file in the location of the virtual hard disks.
To backup a vm just start a simple wizard select which vms from your hyper v server have to be backed up and where the backups are to be saved and specify the backup schedule.
On a server with gui management better to be server 2016 add the hyper v 2016 into the server manager.
Yes hyper v 2016 do not have gui you may check if the following method could connect to the hyper v server 2016 to manage the windows server backup with gui remotely.
With windows server 2016 hyper v backup microsoft rises to the challenge.
Windows server backup has the gui console wbadmin msc that allows to create and manage hyper v backups create backup schedule etc.