Bug ID 863453: Internet Explorer restart is required after VPN plugin is upgraded to 12.1.5

Last Modified: Jan 10, 2020

Bug Tracker

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

Opened: Dec 19, 2019
Severity: 3-Major


After browser components are updated and user tries to establish VPN from Internet Explorer, user sees an error message saying 'Failed to initialize local Tunnel Server'.


VPN cannot be established until user restarts browser.


- User established VPN from Internet Explorer before using older F5 Internet Explorer browser plugin - The same instance of Internet Explorer is used to establish VPN after BIG-IP was upgraded to 12.1.5


Restart browser.

Fix Information


Behavior Change