Running a simple COMMAND PROMPT in windows and the command line : ipconfig /all | find /i “DHCP Server” You will be granted with the following results. Note that you can replace DHCP SERVER with SERVER and it will display all servers on the network. In particular, it automatically assigns IP addresses and configuration parameters to devices on a network. Verify the switch is leasing IP addresses. This document describes how to troubleshoot DHCP on Catalyst 9000 switches. There are no specific prerequisites for this document. To check this setting, run the net start command, and look for DHCP Server. See Windows DHCP Server Authorization in Domain Joined Scenario.