After activating Hyper-V, Windows crashes into repair (nested virtualization)

S

Shazams

Guest
I'm trying to get embedded virtualization.
Guest - Windows Server 2016 based on KVM. First of all I am guided by this article: https://pve.proxmox.com/wiki/Nested_Virtualization, I have proxmox 5.2.

After activating the Hyper-V role and rebooting the system, Windows goes into repair. VMX, Vt-D respectively active.

Host:

Kernel 4.15.17
QEMU 2.11.1
CPU: Xeon E5645

I also tried to install Hyper-V 2016 edition, 2019 edition. The problem is similar.

Without nested (vmx), everything works accordingly.

1353036.png
What to do?
 
p.s.

social.technet.microsoft.com/Forums/en-US/be382511-a05a-481f-8adf-c5f1bdb7cf82/10551086108910831077-107210821090108010741072109410801080?forum=ruwinserver2016

communities.intel.com/external-link.jspa?url=https%3A%2F%2Fsocial.technet.microsoft.com%2FForums%2Fwindowsserver%2Fen-US%2F3864ef87-7c80-459d-828d-d167a4b9aca9%2Fafter-activating-hyperv-windows-crashes-into-repair-nested-virtualization%3Fforum%3Dws2016%23b4626e3e-d70d-46ae-a369-9133ea97f126
 

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