Hello, To be honest with you, if you enabled all the trace areas and you don't get any log at all, you may have missed some step for setting up Failed Request Tracing. Please send me your applicationHost.config file and the web.config file for your application as private message. I can take a deeper...

I think your rule will rewrite from http://microsoft.com/somePage.aspx to http://microsoft.com:80/somePage.aspx {R:0} will be expanded "/somePage.aspx" Please use FRT to see how the rewriting is executed: http://learn.iis.net/page.aspx/467/using-failed-request-tracing-to-trace-rewrite-rules...