Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed ((new)) -

So in plain terms:

To avoid encountering "TPM public key match failed" in the future: So in plain terms: To avoid encountering "TPM

The firewall’s hardware TPM (or virtual TPM) stores a public key used to bind the device certificate to the platform. The error means the certificate fetched (or the certificate signing request) doesn’t match the TPM’s stored public key — so Palo Alto refuses the certificate for security reasons. Causes include TPM corruption, mismatched or reinitialized TPM, swapped hardware, wrong serial/UID in CSR, firmware or PAN-OS changes, or a provisioning server issuing certs for the wrong key. mismatched or reinitialized TPM

In rare cases, a failed previous fetch or a software bug can leave "stale" certificate fragments in the firewall's internal storage, blocking new generation attempts. wrong serial/UID in CSR