Bug ID 2219081: Live Update configuration sync failure in HA setup

Last Modified: May 05, 2026

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

Known Affected Versions:
17.1.3, 17.1.3.1, 17.5.1.2, 17.5.1.3, 17.5.1.4, 17.5.1.5, 21.0.0, 21.0.0.1

Fixed In:
17.5.1.6, 17.1.3.2

Opened: Feb 02, 2026

Severity: 3-Major

Symptoms

The Live Update log records a YamlReader error for full_sync_asm-live-update, causing the Live Update configuration sync to fail.

Impact

Some servers in the HA setup may have incorrect Live Update configurations.

Conditions

The Live Update log shows a YamlReader error for the full_sync_asm-live-update file.

Workaround

N/A

Fix Information

Live Update sync process uses simplified YAML file

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips