UAG supports publishing of the three different versions of SharePoint Server—2003, 2007, and 2010. We introduced the term AAM earlier to highlight the difference between two types of UAG web application templates, and now it's time to see what this means in the SharePoint world and how we configure this on the SharePoint server.
Similar to UAG, SharePoint also uses the term Web application and each of these SharePoint Web Applications has a set of AAM rules or mappings. These AAM rules are configured using the SharePoint Central Administration tool, and must be configured correctly in order for Share Point publishing to work through UAG. When a user accesses a SharePoint Web Application via a UAG server, AAM maps the requests to the correct Web Application and site on the SharePoint server. These mappings allow the SharePoint server to provide content that has been properly "prepared" for external access. The preparation process makes changes to URLs...