Guide Remove Windows Server 2016 DHCP Server Role with GUI and PowerShell.

With GUI:

1. In Server Manager, in upper menu click Manage. Click Remove Roles and Features;

2. For Server Selection, select your server and click Next;

3. For Server Roles, deselect DHCP Server;

4. In pop-up window click Remove Features;

5. Click Next;

6. For Features. Click Next;

7. For Confirmation, click Remove;

8. For Results, click Close;

9. Restart system;

10. After the system reboots, the role disappears;

With PowerShell:

1. Run PowerShell as administrator;

2. For DHCP console removing;

Uninstall-WindowsFeature RSAT-DHCP

3. For DHCP Role removing;

Uninstall-WindowsFeature DHCP -Remove

4. Reboot server.

P. S. After DHCP role uninstalling check ADSI, if you plan install it again.