Once you have set up an operating DHCP server, it is common to maintain the server and monitor its performance. Some of the common actions are backing up and restoring the DHCP server, monitoring statistics and performance, and configuring DHCP high availability.
Managing and maintaining the DHCP server
DHCP server statistics
To monitor and view DHCP server statistics, open the DHCP management console, right-click on an IPv4 or IPv6 node, and click Display Statistics...:
It will open the statistics window for the IPv4 or IPv6 DHCP leases and display information about server performance, scope usage, uptime, and other stats.