Removing hidden network adapters under Windows

If you are a network administrator, you have probably cloned a server or two and replaced components at some point. Have you ever seen a new network adapter appear after these changes? They must be re-configured with the previous settings, IPs, DNS, etc. When you are working with multiple IPs, it is annoying that for each address a prompt appears stating that is exists under another adapter. By default we can’t see the old adapters after they have been removed from the system.

To work around this behavior and display devices when you click Show hidden devices:

  1. Click Start, point to All Programs, point to Accessories, and then click Command Prompt.
  2. At a command prompt, type the following command , and then press ENTER:
    set devmgr_show_nonpresent_devices=1
  3. Type the following command a command prompt, and then press ENTER:
    start devmgmt.msc
  4. Troubleshoot the devices and drivers in Device Manager.NOTE: Click Show hidden devices on the View menu in Device Managers before you can see devices that are not connected to the computer.
  5. When you finish troubleshooting, close Device Manager.
  6. Type exit at the command prompt.

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