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No internet on VPN

Posted on 2008-06-12
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Last Modified: 2013-12-08
Hello,

I have become aware that on client machones users can not connect to the IE7 or browse anywhere while the VPN connection is Established. All the VPN features function fine but the internet can not be used. On the other side the Internet works fine when the VPN isnt connected.

The VPN connection used to work fine with the internet until a few weeks ago. At first I thought it was related to the recent XP SP3 updates pushed out but he was experiancing this problem before he recieve the SP3 update. It may be related to updates done of the server that hosts the VPN. Also the server that hosts the VPN service has been having problems connecting to the 2 other DC servers (it also being one of them) - im not sure if this is related.

so No internet on VPN connection - Any ideas ?

Thanks
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Question by:ACIAR
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Accepted Solution

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bevhost earned 250 total points
ID: 21776098
Go into the properties for the VPN Connection.
Networking TAB
Internet Protocol TCP/IP Properties
Advanced
IP Settings
Ensure that "Use Default gateway on remote network" is NOT checked.
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Author Comment

by:ACIAR
ID: 21776119
I played with this option before, it was on but when I turned it off.. it made the internet work but stopped any of the VPN features from functioning.

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Expert Comment

by:bevhost
ID: 21776153
When the box is checked ALL TCP/IP traffice goes though the VPN
When it is not checked, only the IP addresses in the VPN link/network mask will travel up the link.
ie you may only be able to access the server you vpn into not any other computers on it's network.

You could add a route so that more IP addressed are routed up the VPN.
c:\>route add 192.168.X.0 mask 255.255.255.0 192.168.Y.X

It may be possible to have the VPN Server adjust the netmask it is send out to the client.
What sort of VPN Server is it?
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Author Comment

by:ACIAR
ID: 21979674
Strangely Bevhost, the unchecking of the "Use Default gateway on remote network" did fix the problem... although I had looked at this option before and it didnt fix the issues.

So thanks
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