4.) click Finish and publish the change to the component from Action Wheel.
5.) Go to Engines > Engine tab. You will see the web player component turned red, indicating component restart required due to change.
6.) restart the component and once its up & running, check the file @ engine’s work directory. For example in this case it was: C:\qa\engine\work\win64vm239-0\fabric\webroot\app_data\log4net.config
Issue/Introduction
How to change log4net content for Web Player server using Silver Fabric.
Additional Information
TIBCO SilverFabric Developer's Guide > Chapter 2 : Using the Silver Fabric SDK : The configure.xml File