http://blogs.iis.net/webtopics/archive/2009/06/10/why-system-net-webexception-comes-up-post-net-framework-3-5-sp1.aspxIn the recent past I have come across several issues where our customers have started running into System.Net.WebException while trying to access a web resource (web service, webpage etc) hosted locally on the same machine using some HostName. This issueenCommunityServer 2007 SP1 (Build: 20510.895)