Re-activating the Trusted Platform Module (TPM) Security Feature After a System Board Replacement (2024)

If TPM Is Disabled in the System Setup, an Error Message Appears

When the Trusted Platform Module (TPM) security feature software is installed, but the TPM Security feature is disabled (set to Off) in the System Setup (BIOS), the following error messages may appear.

Broadcom Security Platform Personal Secure Drive Error Message (Click the image to enlarge.)

Broadcom Secure Foundation TPM Status Indication Error Message

The error messages may be seen when one of the following events has occurred:

• The System Setup (BIOS) has been reset to factory defaults and the TPM Security option has defaulted to OFF.
• A replacement system board has been installed and the TPM Security optionin the System Setup has not been set to ON.
• The TPM software is installed, but the integrated NIC is disabled, thus disabling the TPM security feature internal to the integrated NIC.

To remove the error message,enable the TPM Security Feature inthe System Setup.

1. Reboot the system.
   
2. When the message Press F2 to enter Setup appears, press the F2 key.
   
3. When the System Setupappears,navigate to the Security group using the Down arrow key.
   
4. Press the <+> key to expand the group.
   
5. Verify that TPM Security is listed under Security.
   
6. Navigate to the TPM Security section using the Down arrow key.
   
7. Press the Enter key.
   
8. Press the Right Arrow key to change the setting to On.
   The TPM is now enabled.
   
9. Press the Esckey.
   
10. Using the Down Arrow key, highlight Exit and press Enter key.
    The system will reboot.

Restore Encryption Keys for the TPM Security Feature

Once the TPM Security Device has been turned on in the System Setup, the user will be able to restore the keys previously used to encrypt.The Broadcom Security Platform Backup Wizard is used to backup or restore Broadcom Security Platform credential data to or from other Broadcom Security Platform. This data consists ofinformation regarding:

• User-specific keys
• User-specific certificates

If theuser has backed up keys they need to restore, they can do it at this time.

NOTE: If theuser did not back up their keys held in the TPM Security Feature from the previous system board, there will be no way to retrieve them or access the encrypted data.

Torestore theuser's keysusingthe Broadcom Security Platform Backup Wizard, perform the following steps:

1. Click the Start button, then click Programs.
   
2. Click Broadcom Security Platform Tools.
   
3. Click Security Platfom Settings.
   
4. The Broadcom Secure Foundation TPM Settings Toolopens.
   
5. Click the Backup tab.
   
6. Click the Restore button.
   
7. The Broadcom Secure Foundation TPM Backup Wizard opens.
   
8. Follow the on-screen instructions to complete the restoration.