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TPM Attestation Not Supported after CPU Upgrade

Anonymous
2023-01-27T00:14:34+00:00

I recently upgraded my CPU from a Ryzen 5600X to a Ryzen 5800X3D. Since upgrading in Windows Security it states Attestation Not supported. It states Storage is Ready. I have tried nearly everything to get it fixed to no avail;

  • Cleared TPM in Windows
  • Cleared TPM in BIOS
  • Reset Secure Boot
  • Ran the Attestation script from Rudy from Call4Cloud, which states the EKCert is missing - The Last TPM Attestation Script
  • Updated to the latest beta channel build (22623.1245) as Rudy had said on Twitter that an AMD TPM Attestation bug was fixed in 22621.1192 but this didn't fix it for me either - Rudy's Tweet
Windows for home | Windows 11 | Security and privacy

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  1. Anonymous
    2023-02-14T19:15:13+00:00

    I have the same issue after Upgrading from Ryzen 5 2600 to Ryzen 7 5700x on my ASUS TUF X470-PLUS GAMING.

    Windows Security Chip App reports "Attestation: Not Supported" but "Memory: Ready". In die TPM Console it shows that the TPM Module is Ready for use.

    The Registry Key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TPM\WMI\Endorsement\EKCertStore\Certificates is empty with the R 7 5700x but has an entry when I use my old CPU.

    I already tried to reset TPM, CMOS and Secureboot in Bios and in Windows TPM Console.

    I disabled/enabled fTPM and Secure Boot several times.

    Windows 10 and Windows 11 report the same. I already did a complete reinstall in UEFI Mode.

    fTPM, Securechip, UEFI and Secureboot are enabled in BIOS.

    Latest BIOS Updates and Windows Updates are installed.

    The Windows Device Manager shows no errors. The AMD PSP 11.0 and TPM 2.0 is installed correctly.

    When I switch back to my old Ryzen 5 2600 everything works.

    My Setup:

    Mainboard: ASUS TUF X470-PLUS GAMING

    CPU: AMD Ryzen 7 5700x

    Windows 10 x64 22H2

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  2. Anonymous
    2023-02-01T16:29:20+00:00

    Hi, I am having the exact same issue with an Ryzen 7 5800X3D.

    I tried everything in BIOS and Windows, clearing TPM, disabling and enabling secure boot by removing the keys in bios.

    TPM Attestation still remains Not supported. Windows 11 seems to not resolve things correctly with this processor.

    I never had this issue with my prior processor Ryzen 9 5900X.

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  3. Anonymous
    2023-01-27T12:00:51+00:00

    Hi

    Welcome to Microsoft community.

    I'm glad to help you.

    Have you tried reinstalling the official version of Windows to check if the problem is gone? If you replace the CPU directly, but the system still does not change, it may cause some errors to occur.

    If you need more help, please don't hesitate to let me know.

    Best regards

    Derrick Qian | Microsoft Community Support Specialist

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