Microsoft Loopback Adapter Windows 11 [new]

Simply repeat the installation process to add additional loopback adapters. Each will appear as a separate network connection.

This method works on Windows 11 Home, Pro, and Enterprise (21H2, 22H2, 23H2, and 24H2). microsoft loopback adapter windows 11

Its unique virtual nature enables several practical use cases: Simply repeat the installation process to add additional

In Windows Server environments (and sometimes for testing on client OSes), the Microsoft Loopback Adapter is a key component of configuring Network Load Balancing (NLB) in single-node mode. It allows a single server to host a cluster's virtual IP address, receiving traffic on that IP while still using its regular IP for other management functions. This is a valuable test scenario before moving to a multi-node production cluster. Its unique virtual nature enables several practical use

This method uses Windows' built-in tools without requiring any external files:

This article covers what the adapter is, why you would use it, and provides a step-by-step guide to installing and configuring it in Windows 11. What is the Microsoft KM-TEST Loopback Adapter?

After installation, you should configure the adapter to avoid conflicts with your main internet connection.