Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed |best| Jun 2026

: For TPM-enabled devices, use the specific command request certificate fetch rather than the OTP-based command.

The firewall must be able to resolve and reach Palo Alto update servers. If the firewall cannot communicate with the CSP, it will fail to validate the public keys.

Start with official Palo Alto Networks documentation and support pages. They often have detailed guides and troubleshooting steps for common errors. : For TPM-enabled devices, use the specific command

The firewall contains an existing locally cached cert or a corrupted local cryptographic token state from a partial zero-touch provisioning process or factory reset.

Use the CLI directly to fetch the certificate, which can sometimes bypass GUI issues. Start with official Palo Alto Networks documentation and

for TPM-related fixes.

If your appliance is running affected versions of PAN-OS (such as certain 12.1.x builds) and is failing due to a full or cluttered directory, a management plane restart or a full reboot is required to clear out stuck .pub_pem records. Use the CLI directly to fetch the certificate,

Check PAN-OS release notes for TPM-related fixes. Apply recommended version.

To resolve this issue, work your way through the following steps, ranging from quick administrative fixes to advanced Technical Assistance Center (TAC) intervention. 1. Execute a Forced Configuration Commit

Follow up immediately by forcing a telemetry upload sequence: request device-telemetry collect-now Use code with caution.