Microsoft Loopback Adapter Windows 11 May 2026

No major change. Same driver (netloop.inf) works. Windows 11 still supports it, but Microsoft has moved toward Hyper-V Virtual Ethernet Adapter and WSL2 virtual NIC for many modern use cases.

The Microsoft Loopback Adapter is a virtual network interface that allows a computer to communicate with itself over TCP/IP without relying on physical hardware. It simulates a network connection, useful for testing, virtual machine networking, or running network services locally without an active NIC. microsoft loopback adapter windows 11

Explanation: This is normal. Windows 11 tries to check internet connectivity via a Microsoft endpoint. Since the loopback adapter has no gateway to the internet, it reports "No Internet." This does not affect its functionality for local testing or VM communication. No major change

Solution: If the warning bothers you, you can disable NCSI (Network Connectivity Status Indicator) with a registry edit, though this is not recommended for most users. The Microsoft Loopback Adapter is a virtual network