Windows 10: VPN error 812, Connection prevented because of a policy configured on RAS/VPN server

Discus and support VPN error 812, Connection prevented because of a policy configured on RAS/VPN server in Windows 10 News to solve the problem; [ATTACH] [ATTACH]There are several VPN errors, but unlike many errors, VPN Error 812 is not very common that users may come across. However, just... Discussion in 'Windows 10 News' started by WinClub, Dec 6, 2019.

  1. WinClub New Member

    VPN error 812, Connection prevented because of a policy configured on RAS/VPN server

    WinClub, Dec 6, 2019
    #1

  2. L2TP VPN on Lumia 950 giving error code 812

    Hello,

    I recently purchased a Lumia 950 (AT&T running Windows 10 Mobile build 10.0.10586.0.

    When I configure my work IPSec L2TP VPN connection on my phone and then attempt to connect, it attempts to connect, then fails displaying the error:

    The VPN connection failed with error code 812.

    This seems to happen after the credentials are accepted.

    During the connection attempt on the phone, the status display progresses as follows:

    • Connecting to <address of my VPN server>
    • Verifying your credentials
    • Connecting to <address of my VPN server>
    • The VPN connection failed with error code 812.
    When I look at the logs of my VPN server, a connection is actually established successfully by the client, then immediately terminated.

    I'm not positive who is terminating the connection on who (client or server).

    VPN Settings configured on the Lumia 950 are as follows:

    Connection name: My Work

    Server name or address: <address of my VPN server>

    VPN Type: L2TP/IPsec with pre-shared key

    Pre-shared key: <pre-shared key that is configured on my VPN server & working on other devices>

    Type of sign-in info: User name and password

    I have typed the username & password in again multiple times to confirm it is correct. It is.

    Furthermore, I have a Lumia 925 running Windows Phone 8.1. It connects perfectly using these same settings.

    It seems something changed in Windows 10 Mobile that caused this VPN connection to stop working.

    Do you have any suggestions on how I might be able to get this resolved?

    I really need the VPN to be working.

    Thanks!

    -

    Doug Mortensen

    Impala Networks
     
    Douglas Mortensen, Dec 6, 2019
    #2
  3. SDNik Win User
    After Upgrade from Win8.1 to Win10 VPN cannot connect to the server

    Hi all

    Can you please help me whit a VPN connection issue. I have clients who have a Windows 8.1 Pro and use a VPN Software "Microsoft IT VPN Version 6.2" and they use that software whit no problems .But they want from me to upgrade them to Windows 10 and when
    i upgrade one of laptops everything work fine, but when they try to connect again to the VPN server they got a message " The connection was prevented because of a policy configured on yours 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". Maybe i guess it is certificate error or maybe i need a new version of that "Microsoft IT VPN" pack. Can`t find a topic
    whit that problem if you know please shoot link VPN error 812, Connection prevented because of a policy configured on RAS/VPN server :) .

    Best Regards

    Nik
     
    SDNik, Dec 6, 2019
    #3
  4. Knoxx29 Win User

    VPN error 812, Connection prevented because of a policy configured on RAS/VPN server

    Vpn ( trusted Vpn)

    Hi everyone.
    I am not an expert about Vpn and that's why I would like to know if someone could list me a few trusted Vpns, I would really appreciate any suggestion/ advice.

    Thanks.
     
    Knoxx29, Dec 6, 2019
    #4
Thema:

VPN error 812, Connection prevented because of a policy configured on RAS/VPN server

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