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Let's say I have two active network connections that let me out to the internet.

I want certain applications to only use Network Connection 1, while some others should use Network Connection 2.

Is this possible in Windows XP? If so, how can it be done?

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What application? I used to do this with browsers simply pointing them to the correct NIC in the Network connections settings. –  AdminAlive Nov 23 '09 at 18:44
    
Needs to be any application. –  snicker Nov 23 '09 at 18:49
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1 Answer

up vote 5 down vote accepted

ForceBindIP - Bind any Windows application to a specific interface (by IP or GUID).

ForceBindIP is a freeware Windows application that will inject itself into another application and alter how certain Windows Sockets calls are made, allowing you to force the other application to use a specific network interface / IP address. This is useful if you are in an environment with multiple interfaces and your application has no such option for binding to a specific interface.

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This application would be perfect, except I cannot get it to work even with the programs mentioned as compatible on the page. Firefox just hangs as if it can't find the destination. If I disable the network adapter i don't want to use, it will fall back to the other and work fine, so I know the connection is okay. –  snicker Nov 23 '09 at 20:27
    
i don't use Firefox but it definitely works with uTorrent on my eee pc. –  Molly7244 Nov 23 '09 at 22:42
    
Didn't work for me on my Windows 7 machine with uTorrent application :( –  Eran Betzalel May 1 '10 at 15:43
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ForceBindIP appears to work on 64bit Windows 7 if you put the DLL into the SYSWOW64 folder instead of the System32 folder. –  user38835 Jun 1 '10 at 11:21
    
ForceBindIP works fine for me on Windows 7 64 bit (after putting the dll in the system32 folder). –  Ashutosh Jindal Dec 3 '13 at 19:52
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