not able to connect to VPN server

By pg ·

I have made incoming connetion on the w2k3 server. It is DC. I have assigned a Live IP to the server. when i am connecting to this vpn server following error is displaying:
Error 800: Unable to establish a VPN connection. A VPN server may be unreachable, or security parameters may not be configured properly for this connection.

Thanks in advance..

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Re: Error 800:

1) if you have firewall, open TCP Port 1723, IP Protocol 47 (GRE).
2) make sure you can reach the VPN server by using ping. Sometimes, poor connection can cause this issue too.
3) You may need to updated firmware on a router or firewall if other OS (win9x/nt/me/w2k) works except XP.
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.
5) Make sure no other secure software blocks your access, for example, if you use Norton secure software, you may need to add the remote client's IP so that the client can access.
6) If your VPN running on a Windows RRAS with NAT enabled, you may want to check the NAT settings.
7) If you can establish the VPN from the desktop at home but not from the laptop. Make sure no security software like Microsoft OneCare software that blocks the GRE.

VPN Error Code:

Please post back if you have any more problems or questions.
If this info is useful, please mark it helpful. Thanks

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Error 930

by aare.shekhar In reply to Re: Error 800:

I configured VPN server in windows 2003(with two NIC cards.In that one NIC card for direct internet with static IP and another NIC card for our domain).We are using DNS in our office.But after configuration of VPN server when I want to connect with the client 'error 930'is coming .Can you please tell me the reason and solution for this?Please I have to configure this as early as possible.
Thank you.

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