Remember how the arrow buttons on the main trunk configuration used to move the applications up and down on the list? Normally we don't need to move the applications. One situation where this may be needed is when there is an application conflict because of two applications that use the same internal web server.
When UAG receives a request from a client, UAG tries to match it against the list of applications, from top to bottom. If a match is found (based on the web server name, path, and port number defined in application properties), it is processed (based on that particular application's properties and its related advanced trunk configuration), and UAG does not continue down the list, even if there are additional applications that are configured with the same web server, path, and port number.
To understand the importance of this, consider an example in which you are trying to publish SharePoint and Exchange OWA, which are hosted on the same internal server. Although it...