Link: Add Virtual Network Adapter Windows 11

Once you have added your virtual network adapter, you need to verify that Windows 11 recognizes it.

: On the left, click Microsoft . On the right, select Microsoft KM-TEST Loopback Adapter .

| 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 |

To add a virtual network adapter in Windows 11, you can either install a (best for testing/simulating local connections) or use Hyper-V (best for virtual machines) . add virtual network adapter windows 11 link

You have followed all steps, but the virtual network adapter is not showing in (accessible via the ncpa.cpl link). Here is the fix:

In the right-hand Actions pane, click Virtual Switch Manager .

Giving virtual machines (e.g., VirtualBox, VMware) a dedicated, isolated, or bridged networking interface. Driver Development: Testing network driver software safely. Once you have added your virtual network adapter,

Right-click the Start button and select Device Manager .

Get-PnpDevice -Class Net | Where-Object $_.Name -like "*Loopback*" | Enable-PnpDevice -Confirm:$false Get-NetAdapter | Where-Object $_.InterfaceDescription -like "*Loopback*" | Rename-NetAdapter -NewName "LoopbackTest"

That means the virtual switch isn't linked correctly. Fix: Giving virtual machines (e

Network configuration after adding the adapter

Select your host computer in the left panel, then click Virtual Switch Manager in the right-hand Actions pane.