Bug ID 577939: DNS suffixes on user's machine may not be restored correctly in some cases

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Fixed In:
12.1.0, 11.6.1 HF1

Opened: Mar 04, 2016
Severity: 3-Major


DNS suffixes on user's may not be restored correctly if user reboots his machine without disconnecting VPN. This may result in incorrect or failed DNS resolution.


DNS suffixes are not restored correctly, which may lead to incorrect or failed DNS resolution


1)DNS relay proxy components is installed on user's machine 2) User reboots the machine without disconnecting VPN first


Disconnect VPN before rebooting machine

Fix Information

DNS Suffixes are now restored properly.

Behavior Change