The Forefront Unified Access Gateway (UAG) portal is an ASP.Net-based Web application using Asynchronous JavaScript and XML (AJAX), and is the front-end Web application for Forefront UAG. It provides end users with the following functionality:

By default, Forefront UAG provides a number of front end portals to allow a wide range of endpoint devices to access the applications that are published by the administrator.

The portals correspond to the following groups of endpoint devices:

The default items and values for the elements that make up the Forefront UAG portal are located under the ...\Microsoft Forefront Unified Access Gateway\von\PortalHomePage directory.

The following diagram shows the directory structure and location of the customizable elements:

Customization folder structure
Although customizations are not deleted when you update Forefront UAG, they may not work after applying an update or hotfix.

The following topics describe specific customizations that you can make to the portal: