AD Troubleshooting Tools
If You are having problems with Active Directory in some form or another try the following tools, they may help!
ADInsight v1.0: Introducing ADInsight, an LDAP (Light-weight Directory Access Protocol) real-time monitoring tool aimed at troubleshooting Active Directory client applications. Use it’s detailed tracing of Active Directory client-server communications to solve Windows authentication, Exchange, DNS, and other problems.
ADExplorer v1.01: This release of ADExplorer, an Active Directory browser/editor, fixes a number of minor issues.