URL rewriting does work in iis 6.0 please help

i have done url rewritting with help of this article


http://www.simple-talk.com/dotnet/asp.net/a-complete-url-rewriting-solution-for-asp.net-2.0/


it work perfectly when i run locally


but when i try to run through the iis 6.0 it doesnt work 


it shows the error of 404 page not found


what possible solutions are there can anybody help?


many thanks