>Thank You Arnon.
>That's exactly the way we do it !
>We tested it and it works fine on a Win95 PC where the database resides and Win95 wworkstations.
>But when we tested it on an NT server and Win95 workstations, the duplication happens!

We something like what I've posted on a variety environments NT Workstation,NT Servers , Win95 and Win98 machines and all seems well

Make sure your table is not buffered also as I've said using primary/candidate keys will prevent the duplicated at least from getting into the database

Arnon