Thanks for all your replies; they are all valuable to me.

Currently the PDFs are on the server and we are using IFilter and Indexing service for the contents search. I...

Many Thanks...

This is the trick I missed.

Now I have to solve the security issue but I think I can handle it now.

Thanks again

I am very interested in how did you configure the SQL's linked server to point to a different machine's indexing service. I have tried but it doesn't seem to be...