I went through Scott Mitchells example: An Extensive Examination of Web Services: Part 10 <BR><BR>I have an asp.net web application which contacts a .Net web service which uploads a file as a DIME attachment...when I have both web app and web service running on the same machine everything goes smoothly but when I move the web service to a remote machine I get the following error: "An error was discovered processing the &#060;Security&#062; header"<BR><BR><BR>Please Help :-(