Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed !!top!! Jun 2026

To expedite your support case, open a ticket via the Palo Alto Customer Support Portal and supply the following details:

A secure hardware chip on the firewall motherboard. It stores unique, factory-burned cryptographic keys.

The Trusted Platform Module (TPM) is a hardware-based security module that provides an additional layer of security to devices. In Palo Alto devices, the TPM is used to securely store and manage cryptographic keys, including the device certificate. The TPM public key is used to authenticate the device and ensure the integrity of the certificate.

> test authentication certificate-profile "TPM-Profile" certificate client-cert.pem To expedite your support case, open a ticket

: The firewall is running an older PAN-OS version that lacks the updated root and intermediate certificates required to validate the cloud server's identity. Step-by-Step Resolution Protocol

: Run show device-certificate status and collect a Tech Support File from Device > Support .

This error typically appears in the client logs or the System Log of a Palo Alto firewall when attempting to establish a VPN connection or authenticate a device for access. It signifies a critical failure in the cryptographic handshake between the endpoint’s hardware security module (TPM) and the Palo Alto firewall. In Palo Alto devices, the TPM is used

— different error. This is a key material mismatch , not a validity issue.

He had tried the standard rituals. He’d refreshed the cloud portal, toggled the management plane, and even attempted a forced check-in. But the "handshake" was broken. The cloud was holding out a key, and the local chip was screaming that the locks had been changed.

The certificate fetch process goes like this: He’d refreshed the cloud portal

Log in to your firewall's CLI and run the following command to check the exact state of your device certificate: show device-certificate status Use code with caution.

In the CSP, go to and generate a new onboarding pre-shared key. On the firewall CLI, fetch using the new key:

Refresh your WebUI dashboard to verify whether the certificate status updates to successful. Step 3: Execute a Management Plane Restart