. DHCP has three ports, of which UDP67 and UDP68 are normal DHCP service ports, serving as DHCP server and DHCP client respectively. Port 546 is used for DHCPv6 clients, not for DHCPv4, but for DHCP failover. The operation is as follows:

1. Press the "WIN+R" key on the keyboard, enter "cmd" in the run box, and click? Are you sure? Button.

2. Enter "services.msc" in the command box, and then press Enter.

3. After waiting for a few seconds, a service window will pop up. Scroll the mouse wheel or drag the right slider down.

4. Find the project named "DHCP Client" and double-click the left mouse button.

5. Click "OK" in the pop-up window, and the dhcp server is set successfully.