Internet Connection Sharing (ICS) is a Windows service that enables one Internet-connected computer to share its Internet connection with other computers on a local area network.
Users can easliy turn on this feature from the immersive control panel in Windows 10.
To disable Internet Connection Sharing create a new group policy or edit an existing group policy
- Computer Configuration
- Administrative Templates
- Network Connections
- Double-click “Prohibit use of Internet Connection Sharing on your DNS domain network” and select Enable