Windows 8: Cisco VPN Client fails to enable virtual adapter (error 442)

Solution #1:

Open regedit, and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CVirtA key. Change DisplayName data property, cut it off before the semicolon value (the value may vary in some cases oem6.inf):

  • For x86, change the value data from “@oem6.inf,%CVirtA_Desc%;Cisco Systems VPN Adapter” to “Cisco Systems VPN Adapter”
  • For x64, change the value data from “@oem6.inf,%CVirtA_Desc%;Cisco Systems VPN Adapter for 64-bit Windows” to “Cisco Systems VPN Adapter for 64-bit Windows”

Solution #2:

Use Shrew Soft VPN Client (free and cool):


    1. I don’t know if this will fix it, but it worked for me. I am running the Windows 8.1 preview, and the registry fix alone didn’t work for me. In addition, I downloaded and installed the Cisco Deterministic Network Enhancer ( I don’t know if the order matters, but I installed this first, followed by the VPN client, and then performed the registry edit, and I’m up and running now. Good luck!


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  3. Thank you, I confirm that it works after this workaround. It’s bizarre that it comes up like that all of a sudden, but thank you once more. For anyone still struggling be sure to remove the semicolon figure as well as to the name to start with Cisco…


  4. I just thought I would report that after installing Windows 8.1 Pro(not the preview) the standard 64-bit client now works for me without having to do any registry edits or workarounds.


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