http://blogs.technet.com/adfs/archive/2007/11/01/script-to-configure-sharepoint-to-use-adfs-authentication.aspxMore great tools by the ADFS team... Problems with the web.config files are one of the more common issues we see with ADFS/MOSS cases in PSS. Now there is a script with will make the modifications for you. It is located on the SharePoint team blog anden-USCommunityServer 2.1 SP1 (Build: 61025.2)