Failed to enable Virtual Adapter in Cisco VPN Client in 64bit Windows 8

We have Windows 8 64 bit laptop users who receive this error while trying to use Cisco VPN.

Cisco VPN on Windows 8.1 - Reason 442: Failed to enable Virtual Adapter

Fix:

  • Click Start and type regedit in the Search field and hit enter.
  • Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CVirtA
  • Find the String Value called DisplayName
  • Right click and select Modify from the context menu.
  • In Value data, remove @oemX.inf,%CVirtA_Desc%;. The Value data should only contain Cisco Systems VPN Adapter for 64-bit Windows.
  • Click Ok.
  • Close Registry Editor.
  • Retry your Cisco VPN Client connection.

Cisco VPN on Windows 8.1 - Reason 442: Failed to enable Virtual Adapter Registry Before

Cisco VPN on Windows 8.1 - Reason 442: Failed to enable Virtual Adapter Registry After

I noticed that some VPN Clients even though have correct DisplayName Value, they still receive VPN error, then I followed the below steps and it worked for me!

  1. Go to services by issuing command services.msc in command prompt
  2. Stop the Cisco Systems,Inc.VPN service
  3. Stop the Internet Connection Sharing (ICS) service
  4. Right click on ICS service and choose Properties. Then change Startup type to Disabled or Manual.
  5. Start Cisco Systems,Inc.VPN service

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