Register Url for none Admin Service Userhttp://developers.de/blogs/rolf_nebhuth/archive/2006/08/02/902.aspxTo use HTTP.SYS for none administrator users, these must have the right this to do. The rights must be granted with the httpcfg tool (Support Tools for XP/2003). The tool must have two parameters for adding an urlacl The Parameter –u specified the listenenCommunityServer 2008 SP1 (Build: 30619.63)