The inbox capabilities allow for agentless backups remove the dependency on host level vss infrastructure and by introducing cbt in the product.
Windows server backup 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.
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.
Windows server backup has the gui console wbadmin msc that allows to create and manage hyper v backups create backup schedule etc.
Hyper v wmi based backup.
They did so by leveraging and enhancing the native capabilities of hyper v.
With windows server 2016 hyper v backup microsoft rises to the challenge.
On a server with gui management better to be server 2016 add the hyper v 2016 into the server manager.
Starting in windows server 2016 hyper v started supporting backup through the hyper v wmi api.
A mrt file and a rct file in the location of the virtual hard disks.