Bug ID 2186185: Apmd occasionally fails to process a request if SecurID agent is present

Last Modified: Feb 03, 2026

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.1.3, 17.1.3.1

Opened: Dec 16, 2025

Severity: 2-Critical

Symptoms

Apm logs reports errors similar to following: apmd[32302]: 01490000:3: ApmD.cpp func: "process_apd_request()" line: 2101 Msg: Error 3 reading/parsing response from socket 1023. strerror: Too many open files, queue size 0, time since accept 0 apm 2025-11-10 09:12:49.000 -07:00 Error apmd[32302]: 01490000:3: HTTPParser.cpp func: "readFromSocket()" line: 117 Msg: epoll_create() failed [Too many open files].

Impact

APMD stops processing further traffic and users are denied access

Conditions

SecuridAuth agent is enabled

Workaround

Restart APMD using the following command: bigstart restart aced bigstart restart apmd

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips