Bug ID 519394: Sync when licensed for ASM/AFM fails to sync pool with "Load balancing feature not licensed" error

Last Modified: Mar 14, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP AFM, ASM(all modules)

Known Affected Versions:
11.4.0, 11.4.1, 11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1

Fixed In:
11.6.0, 11.5.4 HF2

Opened: Apr 21, 2015
Severity: 3-Major
Related AskF5 Article:


When adding a single pool member to a pool associated to a virtual server, the sync fails with error message 'Load balancing feature not licensed.' from peer.


Sync fails.


ASM/AFM licensed, a pool assigned to a virtual server, a single pool member is added.


Perform a sync between the creation of the pool and the pool members.

Fix Information

The pool member count is now always calculated accurately, even across configuration synchronizations, so the incorrect licensing error no longer occurs.

Behavior Change