vpn错误代码解决办法（VPN error code solution）.docVIP

vpn错误代码解决办法（VPN error code solution） VPN error 619 solution A: setting up IP or router does not support the ppTp pass through, or the IP address is setting up IP. The reason for the large number of gateway client connection Internet (such as home broadband router or company Internet gateway routing or firewall) NAT-T off or support is not good for VPN, mainly for GRE and PPTP protocol does not support NAT-T. The NAT-T function that opens the gateway route. If there is an error, the gateway device needs to be replaced, and most of the devices on the market now support it. Solution: change the router or use the L2TP protocol VPN connection, you need to hit L2TPVPN patch (click here to download) VPN error 678 solution Explanation: no VPN connection can be established. The VPN server cannot arrive, or the security parameter for this connection is not configured properly 1. turn on your router and VPN penetrates open 2. replace routers that support VPN, and TP-LINK has routers that support VPN tunnels VPN connection hint [error 691] solution Deny access due to invalid user name or password on the domain The solution is as follows: 1. please check the account password is entered correctly, be careful not to copy to the space. 2. when did VPN proxy connection limit, if under the circumstances to determine the correct account number and password prompt 691, it may be because your account login in other places, or stolen, change password link to wait a moment. VPN connection hint [error 721] solution Remote computer does not respond. Some of the machines in the LAN can access the VPN server, and some can not, and carefully check, and found the problem of the machine is playing a SP2 patch. Resolvent： 1, click start, and then click run. 2, in the open box, type regedit, and then click ok. 3, in the registry editor, find the following subkey HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlClass{4D36E972-E325-11CE-BFC1-08002bE10318} Which is the network adapter for the WAN micr