Microsoft Loopback Adapter Windows 11 Review

The Microsoft KM-TEST Loopback Adapter is a virtual network interface in Windows 11 that allows a computer to communicate with itself using network protocols without a physical connection. 🛠️ Installation Guide

Step 7: Verify Installation

• Go back to Device Manager.
• Expand Network adapters.
• You should see Microsoft KM-TEST Loopback Adapter #2 (or a similar number, depending on your previous installations).

Remove (from Device Manager)

Or via PowerShell:

pnputil /remove-device "ROOT*MSLOOP"

2. Availability on Windows 11

• Windows 11 does not list “Microsoft Loopback Adapter” in the modern Settings UI; it is installed via Device Manager (legacy method), PowerShell, or via Hyper-V/virtualization features depending on the need.
• There are multiple virtual/loopback options: