Last Modified: Sep 03, 2026
Affected Product(s):
BIG-IQ Platform
Known Affected Versions:
8.4.1, 8.4.2, 8.4.2.1, 8.4.2.2
Opened: Apr 21, 2026 Severity: 3-Major
When BIG-IQ 8.4.1 is deployed on ESX, /var/log/ltm may be flooded with messages similar to: 01420012:5: Loading schema version: 12.1.1 01420006:3: "ready" unexpected argument
The tmsh readiness command fails with a syntax error, resulting in repeated error messages and log flooding in /var/log/ltm.
BIG-IQ version 8.4.1. BIG-IQ Virtual Edition deployed on ESX (F5-BIQ-VE-S). The tmsh command is invoked with the unsupported version argument 12.1.1.
Configure the readiness check to use a CLI schema version compatible with BIG-IQ 8.4.1, such as 14.0.0, instead of 12.1.1: tmsh -a -r 14.0.0 show sys ready
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