Cisco VPN Client Error “Failed to Enable Virtual Adapter”

Secure VPN Connection terminated locally by the Client Reason 442: Failed to enable Virtual Adapter

KB ID 0000179

Problem

Note: If you see this on Windows 8 go here.

Note: If you see this on Windows 10 go here.

Solution

Update 10/03/10 – This problem re-occured on one of my clients today – cured the problem by removing the VPN client, and upgrading to version 5.0.07.0240-k9-BETA.

1. Click Start > Computer.

2. Double-click your C: drive.

3. Double-click Program Files > Cisco Systems > VPN Client.

4. Right-click on cvpnd.exe and select Properties.

5. Click the Compatibility tab.

6. Put a check mark next to the option, Run this program in compatibility mode for:.

7. Make sure Windows XP Service Pack 2 is selected.

8. Click Apply and then click OK.

9. Right-click vpngui.exe and select Properties.

10. Put a check mark next to the option, Run this program in compatibility mode for:.

11. Make sure Windows XP Service Pack 2 is selected.

12. Click Apply and then click OK.

13. Restart your computer.

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