The earliest recollection of this bug is traced back to PAN-OS 10.1.14 - February 19, 2025. This bug is fixed in PAN-OS versions 10.2.11, 10.2.9-h18, 10.2.8-h18, 10.1.14, 11.1.3. ( PA-5450 Series firewalls only ) Fixed an issue where the firewall rebooted unexpectedly during an upgrade. ( PA-5400 Series firewalls only ) Fixed an issue where the firewall rebooted unexpectedly during an upgrade. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-14-known-and-addressed-issues/pan-os-10-1-14-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-11-known-and-addressed-issues/pan-os-10-2-11-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-8-known-and-addressed-issues/pan-os-10-2-8-h18-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-9-known-and-addressed-issues/pan-os-10-2-9-h18-addressed-issues https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-3-known-and-addressed-issues/pan-os-11-1-3-addressed-issues