WHQL Test Error Observed on Windows Server 2025 Virtual Machine

Question

Hi All,

While conducting the WHQL test on a Virtual Machine running Windows Server 2025, the following configuration and issue were encountered:

Configuration:

• TPM: Enabled
• Secure Boot: Enabled
• System Details:
  • OS: Windows Server 2025
  • Machine Type: Virtual Machine
• Test: System Test (HSTI)

Issue Observed:
The following error was encountered during the test:

makefileCopy codeHstiTest::VerifyHstiVersion  
Reason: Size of blob too small! (HSTI Blob Size: 8 bytes)  

Query:
Could this issue be related to the implementation of the HSTI driver within the guest VM, where insufficient information might be shared by UEFI EDK II during the WHQL query?

Answer 1

Hello

Thank you for posting in Microsoft Community forum.

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Molly

Answer 2

Thank you

Answer 3

You're welcome!