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Windows 7 workstation loses loses local LAN routing when connected to Windows VPN

Posted on 2013-01-23
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Last Modified: 2013-01-25
Hello all,

We have a workstation here that is configured with Windows VPN connectivity to a remote Windows 2003 server/network.  We are able to make the VPN connection without a problem and we can browse the remote network, but somehow we lose connectivity to all local LAN resources when we do this.  My thought is that there is some kind of routing problem that is throwing all routing over the VPN tunnel instead of split-tunnel style.  Anyone know where I can troubleshoot and correct this problem?  Thanks!

Andrew
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Question by:AJ524
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Rob Williams earned 500 total points
ID: 38811504
Assuming it is a windows VPN client:
There is a security feature in the VPN client that blocks local connections, including local Internet access, to protect the office/remote network. You can disable this if you wish. To do so on the client/connecting PC, go to:
For XP: control panel | network connections | right click on the VPN/Virtual adapter and choose properties | Networking | TCP/IP -properties | Advanced | General | un-check  "Use default gateway on remote network"
For Vista: control panel | network & sharing center | connections | manage network connections | right click on the VPN/Virtual adapter and choose properties | Networking | Internet Protocol Version 4 (TCP/IP v4) -properties | Advanced | IP settings | un-check  "Use default gateway on remote network")
For Win 7: control panel | network & sharing center | change adapter settings | right click on the VPN/Virtual adapter and choose properties | Networking | Internet Protocol Version 4 (TCP/IP v4) -properties | Advanced | IP settings | un-check  "Use default gateway on remote network")

If a 3rd party VPN such as Sonicwall, Cisco, etc.  you need the VPN manager to allow Split-tunneling.
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by:AJ524
ID: 38819680
This is exactly the answer I needed.  I knew it had to be some little setting that handled split tunneling... just wasn't sure where it was.  Thanks!!
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