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MS-Windows Troubleshooting


Error 812: The connection was prevented because of a policy configuration on your RAS/VPN server


Symptom:

When trying to establish a VPN connection to a computer, the connection fails and the following error is displayed:

Error 812: The connection was prevented because of a policy configuration on your RAS/VPN server. Specifically the authentication method used by the server to verify your username and password may not match the authentication method configured in your connection profile. Please contact the Administrator of the RAS server and notify them of this error.

Cause:

This error indicates that the attempt to establish a VPN connection was rejected by the server.

Possible Remedies:

  • Check the the user account has been granted permission to connect via VPN, as this error will be generated if the account has been set to deny access to VPN.
    1. On the Server run Active Directory users and Computers.
    2. Navigate down to the account in question and open up its properties.
    3. On the "Dial-in" tab check that under "Remote Access Permissions (Dial-in or VPN)" that "Allow Access" is selected. If it is not then change it and Apply the update.

These notes have been tested with clients running Windows 7 and with a VPN server on Windows 2003 Server, and they may also apply to other versions of Windows.



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