Palo Alto Failed To Fetch Device — Certificate Tpm Public Key Match Failed

  • Certificate Enrollment Issue

  • PAN-OS Bug or TPM Driver Issue

  • Clock/Time Skew

  • TPM Hardware Failure


  • If all else fails, reset the TPM entirely:


    | Component | Meaning | |-----------|---------| | Palo Alto | Likely refers to a Palo Alto Networks firewall or Prisma Access device using TPM for certificate-based authentication. | | failed to fetch device certificate | The device tried to retrieve its identity certificate from the TPM (Trusted Platform Module) but couldn’t. | | tpm public key match failed | The public key in the fetched certificate does not match the public key stored/derived from the TPM. |

    So in plain terms:

    The certificate retrieved from the TPM doesn’t correspond to the TPM’s actual key pair — possible corruption, mismatch, or incorrect enrollment.


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


    This error occurs on a Palo Alto Networks firewall (or possibly Panorama) when the device attempts to retrieve its device certificate from the Trusted Platform Module (TPM). The “public key match failed” part indicates that the TPM-stored key does not match the expected public key for the certificate being requested. Certificate Enrollment Issue


    Open a case if:

    Provide them with: