Siva
I have custom objects running in various places and have experienced similar problems. You have to register/copy the object onto the server, do you host the web site yourself? if not, youve pritty much gota be in bed with your host (or his sister, providing youre a man and not a man girl - if that's the case, his bother)
In english, you, or his sister/brother youre sleeping with must have admin acces to the servers:
C:\WINDOWS\system32\inetsrv Dir
check out this link:
http://support.dtsearch.com/faq/dts0124.htm
Keep swingin
Wind is your friend
Matt