Configuration files for SDL Tridion user interfaces

An overview of the various configuration files that you can edit to configure the browser-based interfaces (Content Manager Explorer, Experience Manager and any custom extensions).

%TRIDION_HOME%\web\Web.config
ASP.NET settings that apply to all SDL Tridion interfaces, graphical or otherwise. Example of settings to configure here are timeout values and handlers.
%TRIDION_HOME%\web\WebUI\Web.config
ASP.NET settings that apply to all SDL Tridion interfaces that use the Content Manager Explorer application as its basis, including the Content Manager Explorer GUI itself, Experience Manager, and any custom extensions (additional tabs and screens).
%TRIDION_HOME%\web\WebUI\Webroot\Configuration\System.config
SDL configuration of the Content Manager Explorer application. These settings affect the Content Manager Explorer GUI itself.
%TRIDION_HOME%\web\WebUI\Models\EXT_NAME\Web.config
ASP.NET settings for a specific GUI, where EXT_NAME indicates the GUI.
%TRIDION_HOME%\web\WebUI\WebRoot\Models\EXT_NAME\Web.config
ASP.NET settings for a specific extension of the main GUI, where EXT_NAME indicates the extension.

In addition, the various custom GUIs and extensions may have additional configuration files specific to that GUI or extension.