Microsoft KB Archive/944565

= Event ID 24629 is logged in the System log after you enable non-TPM BitLocker on a Windows Server 2008-based computer =

Article ID: 944565

Article Last Modified on 11/15/2007

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APPLIES TO


 * Windows Server 2008 Datacenter
 * Windows Server 2008 Datacenter 32-Bit
 * Windows Server 2008 Enterprise
 * Windows Server 2008 Enterprise 32-Bit
 * Windows Server 2008 for Itanium-Based Systems
 * Windows Server 2008 Standard
 * Windows Server 2008 Standard 32-Bit
 * Windows Web Server 2008

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Beta Information
This article discusses a beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.

No formal product support is available from Microsoft for this beta product. For information about how to obtain support for a beta release, see the documentation that is included with the beta product files, or check the Web location where you downloaded the release.



SYMPTOMS
After you enable non-Trusted Platform Module (TPM) BitLocker on a Windows Server 2008-based computer that has the local computer policy set to &quot;Allow BitLocker without a compatible TPM,&quot; the following event is logged in the System log every time that a user logs on to the computer: Log Name: System

Source: BitLocker-Driver

Event ID: 24629

Level: Error

OpCode: Info

Description: The system firmware failed to enable overwriting of system memory on restart. BitLocker TPM based keys cannot be used until the firmware is upgraded.



RESOLUTION
You do not have to do anything to resolve this problem. You can safely ignore the event that is logged.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbtshoot kbprb KB944565

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