Add Virtual Network Adapter Windows 11 Link May 2026

Microsoft KM-TEST Loopback Adapter

To add a virtual network adapter in Windows 11, the most common and native method is using the via the Device Manager . This tool is essential for testing network configurations, creating local servers, or simulating a network environment without a physical connection. Method 1: Using the Device Manager (Legacy Hardware Wizard)

IPv6 toggle

MTU size (default 1500)

Configure the switch, name it, choose the physical adapter (for External), and click OK.

Result: VMs can be assigned vNICs attached to this switch; the host may get a "vEthernet (SwitchName)" adapter in Network Connections representing the host-side virtual adapter.

Use Hyper-V VM settings to add or change a virtual network adapter (Synthetic Network Adapter) for a VM.

Restart your PC when prompted.

If you are using Hyper-V for virtual machines, you can add adapters directly to those VMs or create virtual switches. add virtual network adapter windows 11 link

Open Start â†’ search â€œTurn Windows features on or offâ€.
Check Hyper-V and Windows Hypervisor Platform, click OK, then restart if prompted.

A virtual network adapter is software that mimics a physical network card. It allows your PC to connect to virtual networks, often used with: Microsoft KM-TEST Loopback Adapter To add a virtual

| Component | Requirement | |-----------|--------------| | OS edition | Windows 11 Pro / Enterprise / Education (Home limited) | | Dependencies | Hyper-V platform (optional for bridged), WDDM 3.0+ | | Driver model | NetAdapterCx (native inbox driver) | | Max adapters | 32 per system | | Persistence | Survives reboot, removable via GUI | | Performance | Zero-copy loopback for >10 Gbps throughput | IPv6 toggle MTU size (default 1500)