The VPN Connection Error 812 should go away now. However, if you are still coming across it, you are advised to contact your VPN service provider.
Error 812: 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. When I try to connect via VPN 2 errors are generated which you can see in the Event viewer. The errors have the event id 4625 and 6274. The following general descriptions of the errors are copied from the Eventviewer, Windows logs and Security (I have changed domain name to your suggested name Contoso.local and my name to firstname.lastname as well as the TMG computername to TMGCOMPUTERNAME): VPN Error 812 is a connection problem in the VPN which is related to Routing and Remote Access Service (RRAS), which is responsible for executing routing protocols. RRAS is a Microsoft API and server software, therefore this error only appears on Windows OS like Windows 10, Windows 8/8.1 and Windows 7 . If you want to learn how to work around the VPN 812 error, be sure to try our following methods. Checking the tunnel type settings. If the first solution does not work for you, you can try these steps: Get the value ‘L2TP OR PPTP’ by selecting ‘Tunn Error 812 is a technical issues that is caused by the server side. Let’s go through the possible reasons this error happens: If the Authentication protocol is selected via NPS (Network Policy & Access Services). The RRAS based VPN server is configured in a different way than the VPN client system.
15 Sep 2016 The VPN connection failed with error code 691 - or; The VPN connection failed with error code 812. both errors produce this warning and error
812 La connexion n'a pas pu être établie en raison d'une stratégie configurée sur le serveur RAS/VPN. La méthode d'authentification utilisée par le serveur pour vérifier votre nom d'utilisateur et votre mot de passe ne correspond peut-être pas à celle configurée dans votre profil de connexion. Contactez l'administrateur du serveur RAS 13/08/2018 Notes. Si un certificat de l’émetteur CN = autorité de certification racine de Microsoft VPN GEN 1 est présent dans le magasin personnel de l’utilisateur, mais que l’utilisateur a obtenu l’accès en sélectionnant X pour fermer le message, collectez les journaux des événements CAPI2 pour vérifier que le certificat utilisé pour l’authentification était un certificat d
If the certificates are already in the location, try to delete the certificates and reinstall them. The azuregateway-GUID.cloudapp.net certificate is in the VPN client configuration package that you downloaded from the Azure portal.
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