In recently released OpenSSO Express 7 are several impressive capabilities, including support for OpenDS Standard Edition as a repository for user profiles, authentication data, and policies. You need perform only a few configuration steps, as detailed in a procedural article in the OpenSSO Resource Center.

The article also includes several sections of reference information: troubleshooting tips, the OpenSSO features that work with various directory servers, a few policy and interface nuances that might help you determine which user data store to use. Have a look.