Removing a Hidden Device in Device Manager

IT

Removing a Hidden Device in Device Manager

When trying to assign an IP address to a virtual machine that was recently migrated to another vCenter instance, I noticed that the IP address had swapped to DHCP. When trying to reconfigure the IP address on the system, the following message appeared:

Microsoft TCO/IP

Additionally, I had tried to rename the “Local Area Connection 2” to “Local Area Connection” and got a warning displaying:

“Cannot rename this connection. A connection with the name you specified already exists. Specify a different name.”

 Network Connections

After checking the Device Manager and checking show hidden devices, no additional devices would display under the network adapters.

Device Manager

This article examples how to show hidden devices on the system.

Displaying Hidden Devices

Open up a command prompt in administrative mode.

First, we need to show all nonpresent devices. To do this, type in:

devmgr_show_nonpresent_devices=1

Next, open up Device Manager in the same command prompt by typing:

devmgmt.msc

Note: You must execute Device Manager from the same command prompt. Opening up Device Manager through another method will clear the devmgr_show_nonpresent_devices=1 preset.

Command Prompt

Once Device Manager has opened, navigate to View and select Show hidden devices.

Although it is not necessary, I expanded out Network Adapters for example purposes.

Device Manager 

Once Show hidden devices has been checked, the nonpresent device will display under Network adapters.

Show hidden devices

I know vmxnet3 Ethernet Adapter is no longer present, so I want to remove this adapter. Right-click on the device and click uninstall.

Uninstall

Uninstall

Since the driver is still in use on the system, I did not check Delete the driver software for this device.

Confirm device uninstall

Once complete, the network driver can be renamed and/or the IP address can be configured without any issues.

Resources Used:

Device Manager does not display devices that are not connected to the Windows XP-based computerhttp://support.microsoft.com/kb/315539. Accessed 8/18/2014

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Ideen Jahanshahi

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