Guide to BizTalk Server

While you are trying to host the asp.net application on MOSS and want to know the reason for “not so friendly error stating critical error encountered , then its obvious you want to know the reason for the error instead of keeping quite,

Well, there is indeed a way to debug you asp.net application from MOSS, you need to attach the  worker process wp running under the account with the admin rights, by selecting the debug -> attach to process ->w3wp and place the debug point and open the application in IE. on execution of application you be able to see the control transferred at the breakpoint placed in the code.