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Unable to delete faulted network adapter

  • Parallels Desktop for Mac
  • Parallels Workstation 4.x Extreme


There is no networking in a virtual machine. In Windows Device Manager you can see network adapters working improperly (marked with red or yellow signs). Any attempts to delete them results in error:

"Failed to uninstall the device. The device may be required to boot up the computer"


Click on Windows Start menu and hit "Run...". This will open a window.
Type "regedit" (without quotes) in the window prompt and hit Return.
On the left pane of the screen appeared navigate to:


key and find in sub-directory a list of all network adapters. Check if there are any adapters with "Characteristics" value 0x00000029(41).
Change the value to 0x00000001(1) by double-clicking on "Characteristics" and typing 1 in the "Value data" line showed up.

After that try to delete broken network adapters again, restart the virtual machine and reinstall Parallels Tools.

1e5db16426987d561060acdf56d947b4 33c4522b6fa9ca8e050f19b889fb58f1 7a8b0855f2ce36b1ba8d697dfcd9ad67 f7e98a499afbac57211faff7cc433d12 147b9e14b9c9ab8c2e7cd2a7443fe1f8 6311ae17c1ee52b36e68aaf4ad066387

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