As you probably know, troubleshooting is a reactive network management process: You're on the defensive and are trying to stop the bleeding. Seasoned network managers tell you that the best network management tactic is a proactive one: You should take actions to actively and properly manage your eDirectory so that problems don't occur in the first place. Treat the health of your eDirectory tree as you would your family's health: Prevention is better than cure .
Refer to Chapters 12, "eDirectory Management Tools," 13, "eDirectory Health Checks," and 14, "eDirectory Management Techniques," for details on proactive eDirectory management tips and information. Of particular interest to security-conscious network administrators is Chapter 15, "Effectively Setting Up eDirectory Security;" that chapter covers various techniques used to detect intruders and minimize eDirectory security risks.