Bug ID 509663: ASM restarts periodically with errors in asm_config_server.log: ASM Config server died unexpectedly

Last Modified: Aug 19, 2026

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

Known Affected Versions:
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, 11.5.4 hf2, 11.5.4 hf3, 11.5.4 hf4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10

Opened: Feb 27, 2015

Severity: 1-Blocking

Symptoms

ASM restarts periodically with the following error in the asm_config_server.log: ASM Config server died unexpectedly.

Impact

ASM restarts periodically with the following error in the asm_config_server.log: ASM Config server died unexpectedly.

Conditions

-- ASM provisioned. -- Running v11.5.2-hf-asm.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips