On a server with gui management better to be server 2016 add the hyper v 2016 into the server manager.
Windows server backup 2016 hyper v.
They did so by leveraging and enhancing the native capabilities of hyper v.
These files appear per virtual hard disk and are there to stay.
The inbox capabilities allow for agentless backups remove the dependency on host level vss infrastructure and by introducing cbt in the product.
Starting in windows server 2016 hyper v started supporting backup through the hyper v wmi api.
Hyper v wmi based backup.
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.
This approach still utilizes vss inside the virtual machine for backup purposes but no longer uses vss in the host operating system.
A mrt file and a rct file in the location of the virtual hard disks.