Possibility to enable Baremetal Virtualization VT-x/AMD-v
Currently there is not possible to switch on VT-x on VMs, so installtion on-premises Virtual Server solution are not possible.
Peter Schmatz - Microsoft commented
I think you are looking for support for Nested Virtualization. If yes, it will be supported (ETA ~6-8 month), and it will require WS 2016 as the Guest OS. Details: https://docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/user-guide/nested-virtualization