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VPN Over the internet

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by charlie

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I have been trying to get a VPN connection to work over the Internet with out any success. I have read the setup instruction as outlined by Microsoft and other sources that I have run across but I am still having problems. The Microsoft setup guide says the you need two net cards with one connected to the Internet and the other connected to you internal LAN. I have a router using NAT connecting my network to the Internet with port 1723 open to the VPN server. When I try to connect to the VPN server I get the response that ?The computer that you are dialing in to does not respond to a network request and to check your server type setting.? I am using NetBEUI for the VPN connection and during the connection process the VPN connector on the server starts to initialize but the connection is never complete. The connection works when connection from a system on the local network.
Can some one help me with problem? Have I over looked something?

12 replies

by charlie

I tried that and I stell get the same thing. I worked the Microsoft tech support for about 4 hours on the problem and thay could not help eather. Thay think that it is in my router but as tolled them I don't have any filters set on my router. Thinks Todd for the help

by shmaltz

answer one might be right as I have seen this to be a problem and the only way around it was to remove all protocols from the client computer and restart the computer and add the VPN adapter restart the computer and add the protocols.
however if even after you have done the above it still dosnt work i whould say that your problem might be the firewall.
check out http://www.firstvpn.com

by charlie

As it turns out after spending some talking to Microsofe, my router is not compatable (Intell 8100)Thay say it was tested and ther are know problem with it and VPN.
Than for your help. Neworker211

by dhamilt0

The netbeui protocol is not routable. Use TCP\IP to route outside to the internet. Netbui is used mainly for internal machines. The internet requires TCP\IP so the outside machines will not be able to negotiate a communictation path.

by msgtray

I have a MS White paper that specifically stipulates that the PPTP server must have a valid internet-sanctioned IP address if you are creating the VPN over the internet. This may not apply to NAT or it might be your problem.

by charlie

As it turns out after spending some talking to Microsofe, my router is not compatable (Intell 8100)Thay say it was tested and ther are know problem with it and VPN.
Than for your help Msgtray

by pherra

I read the same Article from Microsoft, it is not very helpful. If you are in fact using NAT translations, you only need one NIC card. Set up a 1 to 1 translation that routes all VPN traffic to you PPTP server. You must use TCP/IP and make sure that clients are being assigned DHCP address in the correct subnet. Also, is you are using WIN98 clients, you have to add the 128 bit DUN patch. We also ran into troubles with name resolution. To correct this we just added the address of the VPN server to the hosts file. We have been using VPN for about 9 months now, and have been very happy with it. On occation, we have trouble browsing the network, but we just start and stop the services to get it working again. I would like to know a litte more about your current configs, perhaps I can help a little more...Good Luck!

by charlie

As it turns out after spending some talking to Microsofe, my router is not compatable (Intell 8100)Thay say it was tested and ther are know problem with it and VPN.
Than for your help Pherra

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