The earliest recollection of this bug is traced back to PAN-OS 10.1.12-h3 - November 18, 2024.
This bug is fixed in PAN-OS versions 10.2.11, 10.1.12-h3, 10.1.13, 11.0.5, 11.1.2-h4, 11.1.3.
Fixed an issue related to the configd process where Panorama displayed the error Server not responding when editing policies.
Fixed an issue related to the configd process where Panorama displayed the error Server not responding when editing policy rules.
For more information:
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-12-known-and-addressed-issues/pan-os-10-1-12-h3-addressed-issues
https://docs.paloaltonetworks.com/pan-os/10-1/pan-os-release-notes/pan-os-10-1-13-known-and-addressed-issues/pan-os-10-1-13-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/11-0/pan-os-release-notes/pan-os-11-0-5-known-and-addressed-issues/pan-os-11-0-5-addressed-issues
https://docs.paloaltonetworks.com/pan-os/11-1/pan-os-release-notes/pan-os-11-1-2-known-and-addressed-issues/pan-os-11-1-2-h4-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