Forum Discussion
TPM Attestation Not Supported after AMD Ryzen Upgrade
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 ...
ultimatediddy Yes I have the exact same problem. Upgraded from 5600X to 5800X3D. EKCert is missing. I’m on build 22623.1255.
Hi,
yes I spent hours and days of testing and trying....
Resettet my TPM several times, according to different guides I found.
With my old CPU I have a certificate but with my new one it remains emptry.
I have this problem with Windows 10 (latest official build) and with Windows 11 fresh installed and updated.
I found out that there is a service in the Task Planer that seems to be responsible to obtain this certificate.
You can find it in Task Planer: \Microsoft\Windows\CertificateServicesClient the name is AikCertEnrollTask. But it fails with different errors.
In eventlog I found repeating entries of an error code 86 CertificateServicesClient-CertEnroll that is failing.
yes I spent hours and days of testing and trying....
Resettet my TPM several times, according to different guides I found.
With my old CPU I have a certificate but with my new one it remains emptry.
I have this problem with Windows 10 (latest official build) and with Windows 11 fresh installed and updated.
I found out that there is a service in the Task Planer that seems to be responsible to obtain this certificate.
You can find it in Task Planer: \Microsoft\Windows\CertificateServicesClient the name is AikCertEnrollTask. But it fails with different errors.
In eventlog I found repeating entries of an error code 86 CertificateServicesClient-CertEnroll that is failing.