Kevin -
Why don't you post your PK assignment code, so we may get some clues about what might have happened?
zahid

>We have an application that runs on FoxPro 4 Dos 2.6, and this app has been around for about 8 years, it runs on an NT Server.
>
>Just recently we have been getting duplicate PK's - these aren't just duplicate RECENT PK's, but PK's that were created years ago. We have a NEXTREF table that contains one record and a field for each Table's PK - there have been no changes to the system code at all, it is just starting to happen for no reason.
>
>Has anyone ever come across this sort of situation before using FPD?
>
>Response much appreciated
>Thanks
>Kev