Bug ID 653425: Warning message "Windows Media Player Extension" appears on some IE browsers

Last Modified: Nov 22, 2018

Bug Tracker

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

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0

Opened: Mar 24, 2017
Severity: 3-Major

Symptoms

On some rare cases of Internet Explorer users, the following warning message appears on the bottom of the page: The previous webpage wants to run the following add-on: 'Windows Media Player Extension' from 'Microsoft Corporation'. This happens when Device-ID is enabled in either the ASM policy or DOS profile.

Impact

Cosmetic: Warning message appears for first-time users, and not degrading performance.

Conditions

This happens when Device-ID is enabled in either the ASM policy or DOS profile.

Workaround

Running the following command should prevent the warning message from appearing, without any side effects. tmsh modify security device-id attribute att22 { collect disabled }

Fix Information

The warning message "Windows Media Player Extension" no longer appears on some Internet Explorer browsers when Device-ID is enabled.

Behavior Change