ActiveXperts Network Monitor
Monitor servers, workstations, devices and applications in your network

Dhcploc.exe - Windows 2000 Resource Kit Utility

The Windows 2000 Resource Kit includes many useful utilities. Many of these utilities will be familiar to Windows NT Server Resource Kit users. Many other are new in W2K. Many 'legacy' utilities have added functionality. The Resource Kit tools in the Windows 2000 Resource Kit are designed to run on Microsoft Windows 2000 server or workstation computers. The tools in the Resource Kit help you perform administrative tasks, automate software installation, and with other jobs.

Dhcploc.exe - DHCP Server Locator Utility
DHCP Server Locator Utility displays the DHCP servers active on the subnet. If it detects any unauthorized DHCP servers, it beeps and sends out alert messages. It also displays packets that it detects from DHCP servers; you can specify whether to display packets from all DHCP servers or only from unauthorized servers.