Windows Defender Credential Guard requires UEFI firmware and Secure Boot to function properly.
* Option B (Enable UEFI with Secure Boot) is correct:
* Credential Guardrequires a UEFI-based boot moderather thanLegacy BIOS.
* Secure Boot ensures only trusted OS components load, reducing attack surface for credential theft.
* Option A (Update vCPU to 8) is incorrect:
* Increasing vCPUs does not impactCredential Guard compatibility.
* Option C (Use Windows Server 2022) is incorrect:
* Windows Server 2019supports Credential Guard; upgrading to 2022 isnot required.
* Option D (Update Memory to 16GB) is incorrect:
* Credential Guard has no minimum RAM requirementbeyond general OS needs.
References:
* Microsoft Docs#Requirements for Windows Defender Credential Guard
* Nutanix AHV VM Management Guide#Enabling Secure Boot & UEFI for WindowsVMs