How to: Acquire the hardware address for a rogue DHCP server in Windows


Instructions

To get the hardware address of a rogue DHCP server, follow the steps below on the effected computer:

  1. Open Command Prompt.

  2. Type arp -a and press Enter.

    command prompt window with arp-a written on the command line

Outcome

The output is displayed on your screen.

command prompt window showing the user the Internet Address, Physical address and Type

TIP: You can pipe the output to a text file, making it easy to send the information to support personnel.

After retrieving the information, send it to IT Help Central so they can request that network administrators disable the device.