Home > Hyper-V, Microsoft, Windows Server > Non-present Network Adapter issues

Non-present Network Adapter issues

A while back I changed our virtualization platform from VirtualIron to MS Hyper-V and that caused all network adapters to disappear on my VMs. Hyper-V installed its own. So when i tried to set fixed IP addresses to new adapters I got the following message: “The IP address XXX.XXX.XXX.XXX you have entered for this network adapter is already assigned…”

I thought the best way to resolve this issue was to remove the source of the problem (in this case these old VirtualIron network adapters), which is a bit hard to do if you can’t see these adapters.   After digging around I found a nice MS KB article 269155, which helped me to reveal and remove those non present hidden devices.

Here’s what i did to reveal non present hidden devices.

  1. Click Start, click Run, type cmd.exe, and then press ENTER.
  2. Type set devmgr_show_nonpresent_devices=1, and then press ENTER.
  3. Type Start devmgmt.msc, and then press ENTER.
  4. Click View, and then click Show Hidden Devices.
  5. Expand the Network Adapters tree.
  6. Right-click the dimmed network adapter, and then click Uninstall.

-Eric

Source: MS KB

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  1. xxx
    November 10, 2015 at 10:46 pm

    Great info. Lucky me I came across your website by accident (stumbleupon).
    I have saved it for later!

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