http://blogs.msdn.com/webtopics/archive/2009/06/25/troubleshooting-http-401-3-errors-with-process-monitor.aspxLast week I posted the following blog which showed how to use Process Monitor to troubleshoot service startup issues. http://blogs.msdn.com/webtopics/archive/2009/06/16/troubleshooting-service-startup-issues-with-process-monitor.aspx To continue on thaten-USCommunityServer 2.1 SP1 (Build: 61025.2)