It might work with a single-threaded COM DLL in VFP and call that, but you could have performance issues. I still think a better solution is to move to SQL Server, but I don't know how that will impact your VFP app.


>Yes, it is confusing, but I am in the camp where I believe from what I've read in the past that the VFP OLE is NOT thread-safe either.
>
>Is it possible to write code in WCF that blocks other threads from using VFP OLE DB to run one at a time?
>
>TIA