Cause A: The data source is not configured to use MS SQL Server Native Driver.
Solution A: Use MS SQL Server Native Driver for this application.
Cause B: The Database Host is incorrectly specified.
Solution B: Use Localhost, IP Address and machine name as the input parameter for the "Database Host".
Cause C: The SQL Server database is not updated.
Solution C: Upgrade to SQL Server 2000 SP3 or above. The latest Service Pack (SP4) for SQL Server is available at http://www.microsoft.com/downloads/details.aspx?familyid=8e2dfc8d-c20e-4446-99a9-b7f0213f8bc5&displaylang=en.