TPM firmware update failing when run from PowerShell or Command Prompt

Summary: Resolve an error seen when running the TPM firmware update using the Command Line Interface.

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Symptoms

The following article provides information about resolving an error that is seen when running the TPM firmware update using the Command Line Interface.

 

Unable to install a firmware update using the PowerShell CLI (Command Line Interface)?

 

Running the TPM module firmware update 7.2.0.2 from PowerShell or Command Prompt, will fail when using the /s switch. The log displays an error Exit Code = 8 (Downgrade Ban Error) when the update is run using the /s and /l switches.

 

*************************************************
***Dell Firmware Update started on 5/7/2019 at 13:33:10***
Command: C:\_SMSTaskSequence\Packages\CM10011F\DELLTPM_NPCT750_20_7.2.0.2_64.exe /s /p=  /l=C:\Temp\tpm2.log

WSMT Supported: Using WMI commands.
Registry creation is Success at \SOFTWARE\DELL\FirmwareUpdate
RemainingFlashes = 127

--------------------------------

--------------------------------

Error: New TPM payload is older or same as the current TPM payload. Downgrade is not allowed.

Exit Code = 8 (Downgrade Ban Error)
***Dell Firmware Update finished at 5/7/2019 at 13:33:10***

 

Cause

  N/A

Resolution

 

Resolution Steps

 

There was an issue with the installer when using the /s switch. Dell's engineering has released a new version of the firmware.

  • Ensure you are using the latest version of the firmware

Or

  • Install the update manually

  • Go to the Dell Support Site

  • Enter the service tag or express service code to get drivers specific to how the system shipped

    Alternatively you can choose your system type from the product list to get a general list of drivers for that system

  • Click the Drivers and Downloads drawer in the menu

  • Ensure you have the correct operating system set

  • Select Security from the category dropdown

  • Locate the Dell TPM 2.0 Firmware Update Utility Ver. 7.2.0.2 V1, A01 or newer

  • Click the download link and follow the online instructions

 
Ιδιότητες άρθρου
Article Number: 000177833
Article Type: Solution
Τελευταία τροποποίηση: 13 Ιουν 2024
Version:  6
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