Palo Alto Failed To Fetch Device Certificate. Tpm Public Key Match Failed [new] Jun 2026

certreq -enroll -machine -q

Lower the MTU on the management interface to (or lower depending on your network path). Retry the certificate fetch. 4. Clean Up and Reboot (Known Bug PAN-313623) certreq -enroll -machine -q Lower the MTU on

Failure output:

If you have completed all steps and the error persists, gather the following logs and open a support case: certreq -enroll -machine -q Lower the MTU on

: Generate new key inside TPM first:

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