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Event ID 516 — TBS Operation

Updated: December 16, 2008

Applies To: Windows Server 2008 R2

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This version of Windows includes TPM Base Services (TBS), a component similar to an Application Programming Interface (API) , that allows the operating system and application programs to communicate with and share the use of a Trusted Platform Module chip in the computer. The BitLocker Drive Encryption feature uses the TPM by default. Failures or unexpected results encountered by the TBS can result in the TBS or the TPM driver logging event messages.

 

Event Details

Product: Windows Operating System
ID: 516
Source: Microsoft-Windows-TBS
Version: 6.1
Symbolic Name: TBSEVENT_TPM_ERROR
Message: An error occurred while communicating with the TPM. The driver returned %1.

Resolve

Repair, replace, or upgrade hardware components

In order for BitLocker Drive Encryption or an application to use the Trusted Platform Module (TPM), the TPM must be compatible with applicable standards and be version 1.2 or newer. (For more information about the requirements for the TPM, see "BitLocker Drive Encryption Technical Overview" in Windows Server 2008 Help and Support or on the Web at http://go.microsoft.com/fwlink/?LinkId=99542).

You can determine the version of TPM in the computer by searching the system event log for Event 538 from the Microsoft-Windows-TBS source, by using the Windows Management Interface (WMI) provider, the TPM Management Console (tpm.msc), or by examining the specifications provided by the manufacturer of the computer.

Because the TPM is a hardware device, contact your hardware supplier or hardware support team to resolve this issue.

Verify

To perform this procedure, you must have membership in Users, or you must have been delegated the appropriate authority.

To verify the correct operation of TBS:

  1. Restart the computer.
  2. Verify that all applications and components that use the TPM, such as BitLocker Drive Encryption, work correctly without errors appearing on screen or in the Event log. Specifically, the following steps can verify the correct operation of BitLocker:
    • Verify that Windows Welcome Screen, Logon Screen or Desktop appears. This indicates that BitLocker has correctly unlocked the Windows operating system volume.
    • Log on to Windows and access any data volumes that are encrypted with BitLocker.

Note: Data volumes can be configured to be automatically unlocked or to require manual unlocking.

Related Management Information

TBS Operation

Core Security

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