Cisco VPN client fails on Windows 7 with the following error:#

Secure VPN Connection terminated locally by the client
Reason 442: Failed to enable virtual adapter

This is usually because Windows 7 and Vista reports a duplicate IP address detected.

Subsequent connections fail with same message, but the OS does not report the duplicate IP.

To resolve the problem carry out the following:

Run CMD as an administrator (right click and "run as admin")

reg add HKLM\System\CurrentControlSet\Services\Tcpip\Parameters /v ArpRetryCount /t REG_DWORD /d 0 /f

Reboot the PC.

Next open > Network and Sharing Center
Click > Change adapter settings
Right click on the wireless adapter settings find the share tab and unshare the connection.
The VPN should now work.

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« This page (revision-2) was last changed on 24-May-2017 15:30 by Hyve Support
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