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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.

‎02-21-2018 12:39 AM

HP Recommended
Product: EliteDesk 800 G1
Operating System: Microsoft Windows 10 (64-bit)

Hello We upgraded our EliteDesk 800 G1 to Windows 10 1709 64bit and need to use Bitlocker with TPM. Now Bitlocker can not use PCR 7 (Secure Boot). In the EventLog I get this message:

quote:

BitLocker cannot use Secure Boot for integrity because the expected TCG Log entry for the OS Loader Authority is invalid.

　

The EFI_SIGNATURE_DATA structure contained in the OS authority event could not be found in the Secure Boot 'db' signature database.

unquote:

 

and

quote:

BitLocker cannot use Secure Boot for integrity because the UEFI variable 'SecureBoot' could not be read.

　

Error Message: A required privilege is not held by the client.

unquote:

 

Because of this Bitlocker will use PCRs 0, 2, 4, 11 - the goal would be to use 7, 11 (SecureBoot).

 

I am not able to find anything to solve this on google. I upgraded BIOS to: BIOS Version/Date Hewlett-Packard L01 v02.71, 09.05.2017

 

I did a load defaults in BIOS no luck.


MSINFO32.exe is telling me that:

BIOS Mode UEFI

Secure Boot State On

 

PCR7 Configuration Binding Not Possible

 

Can anybody help me what do

 

Tks.

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