. Without a valid certificate, the firewall cannot securely prove its identity to these services, effectively blinding your advanced threat protections. Palo Alto Networks CLI commands to check your current certificate status or the specific firewall versions affected by the disk-full bug? Fetch Device Certificate failure - LIVEcommunity - 567670
In some cases, the backend "claim key" or "hash key" on the Palo Alto side requires a manual update by support to realign with the physical hardware. Palo Alto Networks LIVEcommunity Breaking the Deadlock Fetch Device Certificate failure - LIVEcommunity - 567670
Elias watched as the config pushed down from the management server. The firewall, moments ago a brick of silicon and paranoia, was now a functional member of the security fabric again. Change the MTU value from its default (
Change the MTU value from its default ( 1500 ) down to a lower size, such as or 1400 . Commit the changes and retry fetching the certificate. it can be related to
> configure # set deviceconfig system tpm reset # commit > request restart system
This error occurs when a Palo Alto Networks device (e.g., hardware firewall or GlobalProtect client system) attempts to retrieve a device certificate from a certificate authority (CA) or the Panorama/Cortex Data Lake, but the Trusted Platform Module (TPM) public key stored in the certificate request does not match the TPM’s actual public key.
While "TPM public key match failed" is a specific error, it can be related to, or confused with, other device certificate problems: