Bug ID 2064089: APM: UI displays internal server error while updating Network Access (VPN) configuration

Last Modified: Oct 15, 2025

Affected Product(s):
BIG-IP APM(all modules)

Known Affected Versions:
17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3

Opened: Sep 19, 2025

Severity: 3-Major

Symptoms

From UI, when attempting to modify Network Access resource settings or save them, the UI displays an Internal Server error, and the configuration operation fails.

Impact

The UI page expires and displays an internal server error message after updating the configuration.

Conditions

In Network Settings, add an entry for DNS Exclude Address Space and when the system DNS server is not reachable and save the configuration.

Workaround

Ensure the DNS server is reachable.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips