Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed Updated Patched (4K)

The firewall still expects the old public key based on the device’s previous enrollment.

: Attempt to retrieve the certificate manually via the CLI to see more detailed error output: request certificate fetch request device-telemetry collect-now Generate a New One-Time Password (OTP) Log in to the Palo Alto Customer Support Portal Device Certificates Generate OTP for your serial number. On the firewall, navigate to Management Device Certificate and use the Get certificate button to input the new OTP. Adjust Management MTU The firewall still expects the old public key

: Validate that the device certificate matches the expected certificate and that the certificate chain leads to a trusted root CA. Adjust Management MTU : Validate that the device

The error TPM public key match failed is a high-stakes identity crisis. It means the firewall is trying to present a digital ID card (the certificate), but the secret handshake (the private key in the TPM) doesn't match the public face of that ID. The firewall still expects the old public key