There is a great series of blog posts on Tivoli Directory Integrator (TDI) going on by Marie Scott and Thomas Duff . I actually have a project that I'm hoping TDI with solve for me, so I've been reading all their articles on the subject , and looking for some other sources as well. Here's a quick list of sources aside from the ones above that I've compliled. Lotus Domino integration with Tivoli Directory Integrator (IBM, registration required) TDI Google Group TDI User Group TDI Domino Integration RedBook - Robust Data Synchronization with Tivoli Directory Integrator Series of Youtube Videos RedBook - Synchronizing Data with IBM Tivoli Directory Integrator 6.1 Oh, and Ed Brill says that we get to use TDI v7 when Domino 8.5.1 ships...