ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for Active Directory Network Manager
ADNM connects to Windows Server running Active Directory so you can view information about the users and computers in your domain. You can also perform basic administrative tasks such as disabling/enabling user accounts and resetting passwords.
User fields include: username, full name, logon duration, computer logged onto and logon hours. Computer fields include: computer name, IP address, MAC address and user logged in. Having been written in Java, this software can work on any operating system.