A lab uses an Intel VT-x/EPT Hyper-V host running Windows Server 2025. A VM will run Hyper-V itself. What host-side action enables the inner hypervisor to use virtualization extensions?

Choose the single best answer.

A.Set ExposeVirtualizationExtensions to true while the VM is off
B.Install the Hyper-V management tools only on the outer host
C.Enable MAC address spoofing without exposing CPU extensions
D.Increase the VM's vCPU count without exposing extensions

Show the answer and explanation

✓ Correct answer

Set ExposeVirtualizationExtensions to true while the VM is off

ExposeVirtualizationExtensions makes the CPU capability available to the middle VM. MAC spoofing concerns nested network traffic. Outer-host management tools do not expose guest CPU instructions, and a larger vCPU count alone does not enable nesting.

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