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

Palo Alto’s official “Device Certificate Management with TPM 2.0” whitepaper (available on the live portal) provides additional API-level controls for automation. This article was accurate as of PAN-OS 11.0 and Windows 11 23H2. Always test TPM changes in a non-production group before scaling.

A Deep Dive into TPM, Device Certificates, and Authentication Failures

Get-Tpm Expected: TpmReady: True . If False , clear or initialize the TPM via BIOS.