Encryption error (812) Error connecting to 2008r2 VPN

Posted on 2011-09-21
Medium Priority
Last Modified: 2012-06-27
I am getting an error 812 when connecting via vpn from a win 7 machine to a 2008 r2 server:The connection was prevented because of a policy configured 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.

How do I change the encryption method on the server
Question by:stumped423
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LVL 13

Accepted Solution

themrrobert earned 2000 total points
ID: 36577259
If you go to "Network Connections" you should see your vpn listed there. Right click and go to "Properties" and look for the Security or similar tab. Here you should see the proper settings.

Post back if no luck

Author Comment

ID: 36577269
I have every option ticked, but it isnt working.
LVL 13

Expert Comment

ID: 36577303
From the looks of it, it may be that you don't have the proper option selected, I know it's not much to go on =/. Windows 7 and Server 2008 should be extremely compatible, when logging in, try logging in with

DOMAIN\username as well as your password as this could cause auth failure.

Also, do you see any settings in the VPN properties specific to encryption?

If all else fails, logic suggests you ask the admin of the server :)

If you are the admin, the i suggest checking failed logins and making sure that no abstract or odd settings are in force.
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LVL 13

Expert Comment

ID: 36577309
but maybe simply adding the name of your domain, followed by backslash, then your user name is enough

username:  mydomain\superman
password: pa$$w0rd


Author Comment

ID: 36577314
Didnt work
LVL 13

Expert Comment

ID: 36577319
Are you the server admin or are you trying to use credentials and ip address/domain supplied by your administrator?

In order to help you further I would like to try the settings you are using and get it to work on my end, then tell you which steps to perform.

You can call the number in my profile to give me the details without publishing it in public.
LVL 13

Expert Comment

ID: 36577391
Good luck, I'm going home for the day, post here if you would like further assistance

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