Palo Alto Failed To Fetch Device Certificate Tpm Public Key Match Failed Jun 2026

: For newly provisioned or Return Merchandise Authorization (RMA) replaced hardware (such as PA-440, PA-450, or PA-1420 models), the factory-injected TPM public key might not have properly registered in Palo Alto's manufacturing and licensing database. Step-by-Step Diagnostic Workflow

Over time, broken software check loops or abrupt reboots can leave behind locked configurations or orphaned data files. According to Palo Alto LIVEcommunity reports , specific PAN-OS software bugs (e.g., Bug ID PAN-313623) cause temporary public key files ( .pub_pem ) to accumulate in the /opt/pancfg/mgmt/ssl/private/ folder without being properly cleaned up. This can fill up the disk partition or block the creation of fresh cryptographic handshakes. 3. Known PAN-OS Software Bugs : For newly provisioned or Return Merchandise Authorization

: For TPM-enabled devices, use the specific command request certificate fetch rather than the OTP-based command. This can fill up the disk partition or

Follow these troubleshooting steps in order to isolate and resolve the issue. 1. Verify and Synchronize NTP Clock Follow these troubleshooting steps in order to isolate