While it is not usual to come across VPN Error 812 , there is a simple way to get it resolved so don't be alarmed if you experience it. When you get Error

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 

29/05/2019

Error 812 often occurs when the VPN server has its authentication protocol set to “MS-CHAP”, while the VPN client is being accessed on Windows Vista or above. (this is due to MS-CHAP had been removed from Windows Vista and later operating systems)

A complete guide to know what are the VPN Error Codes 800, 691, 809, 812, 868 , and others, why your system is showing them and how to Fix them in minutes. Hi,I'm trying to set up an L2TP/Ipsec VPN server on my USGpro and connect both my (15063.483) says:L2TP: “The VPN connection failed with error code 812.