>>
>>Actually unknowingly i'm using com server (i guess), i'm transferring few reports in word & excel using ole (i.e. also ole server, Right ???)
>
>Exactly. You'd be surprised what things can be used for OLE Automation.
>OLE Automation == COM. If you can use the object when it executes on a different machine, OLE Automation running the server on a different box == DCOM.

This is the easiest definition !!!

Thanks a Lot !!!