Disclaimer

Hotfix versions were inferred because the vendor did not list them explicitly: 9.1.15 Known affected versions were inferred from fixed-version data and were not explicitly confirmed by the vendor: 10.1.8-h8, 10.2.3-h14

The earliest recollection of this bug is traced back to PAN-OS 10.1.9 - July 22, 2025. This bug is fixed in PAN-OS versions 9.1.15-h1, 10.2.4, 10.1.9. Fixed an issue where browser sessions stopped responding device group template admin users with access domains that had many device groups or templates. Fixed an issue where browser sessions stopped responding for device group template admin users with access domains that had many device groups or templates. For more information: https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-9-known-and-addressed-issues/pan-os-10-1-9-addressed-issues https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-release-notes/pan-os-10-2-4-known-and-addressed-issues/pan-os-10-2-4-addressed-issues https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-release-notes/pan-os-9-1-addressed-issues/pan-os-9-1-15-h1-addressed-issues