How do i configure service created by mongrel in regedit

hi,
I have created a window service(rals website)using commnad like

mongrel_rails service::install -N smar2 -p 3000 -a 192.168.247.49 -e
production -c D:/work/Smar/src
now a service named smar2 is created but when i try to run it i got an
error message like service started and stopped it has nothing to do
now i would like to know how do i configure smar2 in regedit and what
values should i add in Application and Appparameters .
plzzz help me