>It sounds as if you're trying to use a 32 bit driver/
>From MS:
>"
>If you use the 64-bit odbcad32.exe to configure or remove a DSN that connects to a 32-bit driver, for example, Driver do Microsoft Access (*.mdb), you will receive the following error message:
>The specified DSN contains an architecture mismatch between the Driver and Application
>
> To resolve this error, use the 32-bit odbcad32.exe to configure or remove the DSN."
>
>If this OBDC connects to a VFP datasouce, you must use the 32 bit driver.

See message #1510974 for more information.