Windows 10: TPM Attestation Not Supported after Upgrading CPU

Discus and support TPM Attestation Not Supported after Upgrading CPU in AntiVirus, Firewalls and System Security to solve the problem; Hi, after Upgrading my CPU from Ryzen 5 2600 to Ryzen 7 5700x Windows Security Chip App reports "Attestation: Not Supported" but "Memory: Ready". In... Discussion in 'AntiVirus, Firewalls and System Security' started by Jens Dittberner, Feb 15, 2023.

  1. JENS DITTBERNER
    Jens Dittberner Win User

    TPM Attestation Not Supported after Upgrading CPU


    Hi, after Upgrading my CPU from Ryzen 5 2600 to Ryzen 7 5700x 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

    :)
     
    Jens Dittberner, Feb 15, 2023
    #1
  2. NOTSHERO
    NotShero Win User

    TPM Attestation Not Supported after CPU Upgrade

    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
     
    NotShero, Feb 15, 2023
    #2
  3. عمير سلمان
    عمير سلمان Win User
    "Device health attestation isn't supported on this device"

    Well if TPM wasn't enabled I wouldn't be able to see this screen even now would I?

    both TPM and secure boot are enabled, I enabled them waaay earlier in anticipation of Windows 11 but then found out my CPU doesn't support it on this desktop machine :/ but I never actually checked what they do. What is Device Health Attestation? And if it's only useful in a work environment why is it enabled by default on my Windows 11 laptop?

    If it increases security in any way then I would like it enabled or like fixed if it's possible to fix it even on my personal desktop.
     
    عمير سلمان, Feb 15, 2023
    #3
  4. DAVEM121
    DaveM121 Win User

    TPM Attestation Not Supported after Upgrading CPU

    "Device health attestation isn't supported on this device"

    Hi OmairSalman,

    I am Dave, I will help you with this.

    Device Health Attestation is used in a wok environment, it is not required or used on a private PC

    For that function to work, your BIOS needs to be in UEFI Mode and support TPM and Secure Boot and both must be enabled.
     
    DaveM121, Feb 15, 2023
    #4
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TPM Attestation Not Supported after Upgrading CPU

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