Jason,
You can run the ODBC Data Source Administrator for the 32-bit drivers C:\WINDOWS\SysWOW64\odbcad32.exe to see if your assumtion is correct.
>I will check into what aerror() returns.
>
>The "Oracle in OraGBGHome1020" driver version 10.2.0.3 is from file SQORA32.dll which makes me think it is a 32 bit driver.
>
--sb--