Any errors in the event viewer? Or this search result may help.
VPN connection is disconnected after several minutesVPN connection is
disconnected after several minutes. We have been seeing more and more cases
like this one. We don't really know the causes, ...
www.chicagotech.net/VPN/vpn3minutes.htm
--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Daniel Walter" <d2walter[ at ]gmail.com> wrote in message
news:7fe4c2f7-5fbc-4650-ad83-b946a8296156[ at ]s1g2000prg.googlegroups.com...
[Quoted Text] > Whenever I restart the VPN, everything appears to be working properly
> using PPTP. After RRAS has been running for about 5 minutes, I can no
> longer connect to any of the computers on the remote network. This
> includes the local area ip address of the RRAS server. At this point,
> I can still disconnect and reconnect the VPN, but I cannot access
> anything through the VPN.
>
> I am also trying to get L2TP to work on this server. I am using a
> packet sniffer and see that the computer is receiving packets on port
> 1701, but it is not sending back any packets in response.
>
> Daniel
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