If the above steps do not resolve the issue, try the following Palo Alto-specific steps:
Run the following command to verify DNS resolution and connectivity to the update servers: ping host ://paloaltonetworks.com Use code with caution. If the above steps do not resolve the
Network security functions require highly accurate system time. Log into the Firewall CLI. Run: show clock Check if NTP is syncing: show ntp Run: show clock Check if NTP is syncing:
To troubleshoot and resolve the "Failed to Fetch Device Certificate - TPM Public Key Match Failed" error, follow these steps: follow these steps: In rare cases
In rare cases, a failed previous fetch or a software bug can leave "stale" certificate fragments in the firewall's internal storage, blocking new generation attempts.
Because the error directly involves the hardware-bound TPM chip, solving the problem requires a structured approach. Work through these verification and remediation steps sequentially: Step 1: Force a Configuration Commit