Bug ID 511942: Unable to establish HA connection

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.4.0, 11.4.1

Fixed In:
11.4.1 HF9

Opened: Mar 12, 2015

Severity: 2-Critical


On AWS platforms, the HA setup process may fail with the error "iControl connection to xxx failed".


Unable to create HA connection


AWS platform HA-capable configuration


Run this command on all devices: tmsh modify sys httpd ssl-protocol "ALL -SSLv2"

Fix Information

Remove SSLv2 negotiation from HA connections.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips