>I must admit that I'm a bit biased against using either of these drivers and prefer moving data to SQL Server instead.
>
>I'm pretty darn sure that the VFP ODBC driver is not thread-safe. What about the VFP OleDb driver? I've actually never used it. How does it hold up when used by WCF services? How robust is it?
>
>Ideas on either of these two drivers is appreciated.

VFP ODBC driver is thread-safe.
http://msdn.microsoft.com/en-us/library/ms709357(v=vs.85).aspx