Microsoft published three support videos for BPOS Directory Synchronization. These videos will help you maximize your potential while using Microsoft BPOS.
first walks us through an introduction to Directory Synchronization, or DirSync.
second video walks us through two scenarios that demonstrate prime examples for utilizing DirSync.
third video gives us a brief introduction into DirSync and prerequisites for troubleshooting. If your computer meets all the proper prerequisites mentioned in this video, then continue watching to learn how to troubleshoot DirSync. This video provides great advice for anyone that wants to learn more about the backend DirSync.