If the driver does not load, check DSTrace for the following error messages:
This is a fatal error that occurs when sapusershim.jar is not installed properly. Ensure that the file is in the proper location for either a local or Remote Loader configuration.
This is a fatal error that occurs when the class name for the sapusershim.jar is incorrect. You should ensure that the Java class name is set on the Driver Module tab in a local installation and that the -class parameter is set in a Remote Loader configuration.
The proper class name is com.novell.nds.dirxml.driver.sapusershim.SAPDriverShim