Make sure an ODBC driver for your database is installed on the Windows computer running the JSP application server. If an appropriate driver is not installed, you can download and install the Microsoft Data Access Components (MDAC) 2.5 and 2.7 packages on the computer running the JSP application server. You can download MDAC for free from the Microsoft website at http://msdn.microsoft.com/data/mdac/downloads/. These packages contain the latest ODBC drivers from Microsoft.