4) The VPN server may not be able to get IP from DHCP for the VPN client. So, you may want to re-configure VPN host networking settings. For XP pro VPN host, go to the Properties of the VPN>Network, check Specify TCP/IP address and Allow calling computer to specify its own IP address, and uncheck Assign TCP/IP addresses automatically using DHCP.
Jul 20, 2016 · How to install and configure Remote Access (VPN) on Windows Server 2012 R2 (Step by Step guide) - Duration: 16:58. NLB Solutions 221,014 views Jan 15, 2017 · How to install and configure Remote Access (VPN) on Windows Server 2012 R2 (Step by Step guide) - Duration: 16:58. NLB Solutions 216,597 views Apr 11, 2019 · A privacy advocate by day and a binge-watcher by night, Aazim Akhtar loves to write about online security, internet freedom, and all the latest technological trends. There is no specific difference between XP and Vista as GRE as used by both for PPTP. You do not need to be on a domain or have AD access to connect to a VPN. Therefore, I suggest reveiwing the client. Vista (in my opinion) is not yet very stable for VPN.
Apr 24, 2019 · A privacy advocate by day and a binge-watcher by night, Aazim Akhtar loves to write about online security, internet freedom, and all the latest technological trends.
I've seen cases with ZoneAlarm where turning it off didn't work. Try uninstalling it. -- Kerry Brown MS-MVP - Windows Desktop Experience: Systems Administration May 03, 2008 · >> i have the same problem, before i install vista SP1 the VPN works, then i >> cant connect, i also try to disconnect the firewall but nothing, then i >> uninstall the the SP1 and it works, then i install the SP1 and doest work Read the VyprVPN Common Errors FAQ to learn about common errors and solutions for error codes 619, 628, 691, 789, 800, 806, 809, 810 or 6004
1) That is correct, the windows server is connected to my router 2) Currently no other security software installed, I also disabled my firewall on my vista machine to take out that variable for now. – Ryan Jun 2 '09 at 11:35
Since the question has not been closed yet I can now report how I managed to solve the problem: The source of all problems was the firewall after all. When user establish the VPN at home it works. If he connect to his school wireless, he will receive ths message: VPN code 806. In the VPN server, the event logs ID 20209 - Description: A connection between the VPN server and the VPN client x.x.x.x has been established, but the VPN connection cannot be completed. 806 A connection between your computer and the VPN server has been started, but the VPN connection cannot be completed. The most common cause for this is that at least one Internet device (for example, a firewall or a router) between your computer and the VPN server is not configured to allow Generic Routing Encapsulation (GRE) protocol packets. Mar 29, 2017 · The VPN server may be unreachable, or security parameters may not be configured properly for this connection. 801 This connection is configured to validate the identity of the access server, but Windows cannot verify the digital certificate sent by the server.