Device Certificate Tpm Public Key Match Failed Updated — Palo Alto Failed To Fetch

Large certificate packets can be dropped if the Management Interface MTU is too high. Setting the MTU to 1374 often resolves timeout-related fetch failures.

When the trust boundary is broken, generating a brand new One-Time Password (OTP) binds the hardware fingerprint cleanly back to the asset database. Log into the Palo Alto Networks Customer Support Portal. Navigate to . Click Generate OTP for a Next-Gen Firewall (PAN-OS). Large certificate packets can be dropped if the

request certificate fetch request device-telemetry collect-now Use code with caution. Copied to clipboard Refresh the GUI under Device > Setup > Management to check if the status updated to success. 2. Adjust Management Interface MTU Log into the Palo Alto Networks Customer Support Portal

Ensure device is registered in the Palo Alto Support Portal and licenses are transferred. Lower Management MTU to 1374 . Public Key Mismatch Large certificate packets can be dropped if the

> Products > Device Certificates. Generate a new One-Time Password (OTP) for your specific Serial Number. Delete Old Certificate: Device > Certificate Management > Certificates and delete the existing Device Certificate Use CLI to Fetch:

If the "TPM public key match failed" error persists, it usually indicates a "stuck" certificate state that cannot be cleared through the standard GUI or CLI.

If the error persists after trying these steps, the local root file system likely contains an orphaned, invalid certificate that standard administrative users cannot access or delete.