Setting Up DHCP
Open "Server Admin" to begin with. This is the main administrative tool you use when controlling the functions and parameters of your Mac Mini server network.
Click the ~ezentity_quot+ezentity_quot~ icon to load the mini-menu of items you can add. Click "Add Service…"
In the list of available options, click the check box next to "DHCP" to enable it. Click "Save."
Underneath your Mac Mini Server IP in the left panel, click "DHCP."
Click "Subnets." An example subnet range will have already been created. Double-click it to change it.
Change the "Subnet Name" if you wish (this is just for personal reference on your Mac Mini Server.
Enter a "Starting" and "Ending" IP address to choose the IP range. For example set "192.168.1.1" as the starting IP and "192.168.1.50" as the ending IP. Set the "Subnet mask" to something such as "255.255.255.0".
Click "DNS," then enter your Mac Mini Server's IP and host name. Click "Save."
Click "Enable" and then "Start DHCP" to enable your DHCP service on your network.