BitLocker Drive Encryption BIOS Interface Logo Test

This test validates that the BIOS on this platform meets the BitLocker Drive Encryption requirements. This is a test of pre-operating system functionality.

This test is run in the pre-operating system environment to get access to the Trusted Computing Group (TCG) BIOS interface. The test first calls Tcgtest.exe to set up the test result files and schedule the Tcgpreos.exe file in the boot configuration data. After the file is scheduled, the system is restarted and Tcgpreos.exe is run. Finally, when the system is booted back to the operating system, Tcgtest.exe is run again to obtain the results.


The test will restart the system one time during the test.


Test details

Associated requirements

System.Fundamentals.TrustedPlatformModule.TPMEnablesFullUseThroughSystemFirmware System.Fundamentals.TrustedPlatformModule.Windows7SystemsTPM

See the system hardware requirements.


Windows 7 (x64) Windows 7 (x86) Windows Server 2008 R2 (x64)

Expected run time

~2 minutes






Running the test

Before you run the test, review the prerequisites in TPM System Fundamentals Testing Prerequisites

Before you run the test, complete the test setup as described in the test requirements: WDTF System Fundamentals Testing Prerequisites.


For troubleshooting information, see Troubleshooting System Fundamentals Testing.

To provide more information for troubleshooting failures in this test, you can enable tracing of the TPM. Refer to the steps provided in the TCG TPM Integration Test (Manual).

Related topics

System.Fundamentals Tests



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