Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed Official
When you involve Palo Alto TAC, they will likely perform the following actions:
: Lower the Management Interface MTU to 1374 if you suspect packet fragmentation is causing the fetch to time out.
The TAC engineer will manually reset or re-validate the TPM public key registration string in their cloud activation server, allowing your next fetch attempt to succeed immediately. When you involve Palo Alto TAC, they will
: Blocks telemetry data shipping required for advanced health and security analytics.
state is out of sync with the cloud-based Certificate Service state is out of sync with the cloud-based
If fetching with a new OTP fails, the local certificate state may be corrupt. This requires root access, which typically necessitates a support ticket. Palo Alto TAC can:
: Some users report success by running request certificate fetch followed immediately by request device-telemetry collect-now . Palo Alto TAC has the necessary root-level access
Palo Alto TAC has the necessary root-level access to clean up files in the private directory and reset the certificate state on the firewall and backend. This is often the only way to fully resolve the issue.
: A common cause is the Management Interface MTU size interfering with communication to the Customer Support Portal (CSP). Lower the MTU to 1374 (or below the default) and try fetching again.
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