How to locate authorized and non-authorized (rouge) DHCP servers in Windows 2003?

You can locate authorized dhcp server in Windows domain by running the follwoing command on any Windows 2003 server that is a memeber of the domain.

>netsh dhcp show server

To locate unauthorized (rouge) dhcp servers on the network type

>dhcploc , etc.

example: >dhcploc 1.1.1.1 2.2.2.2