Windows NT Index Server

[John]

I have written a search logic for my website using microsoft indexing
service. I designed it on Windows XP. It works great.

Then i copied that to our Windows NT webserver and it is giving me the
following error

Microsoft VBScript runtime error '800a01ad'
ActiveX component can't create object
/search.asp, line 25

Line 25 is
Set QueryObj = Server.CreateObject("IXSSO.Query")

Please help.
Thanks.