Bug ID 431134: Connection reset on using large expression in windows registry service

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
10.1.0, 10.2.0, 10.2.1, 10.2.2, 10.2.3, 10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF2, 11.4.0 HF4, 11.2.1 HF10

Opened: Sep 19, 2013
Severity: 3-Major
Related AskF5 Article:


If there is a large expression in windows registry service, connection reset happens


Connection reset when trying to access page entry from ramcache.


Any session and config variables of large size individually or put together.


Split expression into multiple agents or disable ramcache by embedding session id variable into customized windows registry page or the page associated with respective agent.

Fix Information

Allow connection for large expression.

Behavior Change