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windows 7 Pro x64 - problems with simultaneous wired and wireless connections

Posted on 2014-02-25
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Last Modified: 2014-03-05
Hello,

We are having issues with laptops that have simultaneous wireless and wired connections.

We want to have the wired connection (routes) take priority.

I have gone into the advanced network settings and set the order for Adapters and bindings with the wired connection at the top of the list:

"Connections are listed in the order in which they are accessed by network services:"

Connections:
Local Area connection
Wireless adapter


These setting do not work. The wireless still takes priority.

I have also tried changing the metric (in TCP/IP properties) of each network card and the wireless still takes priority.

I would like to resolve this issue. If possible I would even like to configure this via group policy.

Does anyone have any suggestions? This is causing all sorts of problems for our laptop users (who have both connections active when in our office).

Thanks in advance.

Mark
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Question by:mbudman
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by:Rob Williams
ID: 39887158
You are best to turn off wireless when you have wired and wireless connections.  Otherwise you can have DNS and default gateway issues.  Windows does not support multiple default gateways even if using metrics.

If you want to use both, generally you disable the default gateway on one and set static routes on it for specific IP's or subnets.

You can use Group Policy to disallow connection to the local wireless and using an OU have it only apply to specific computers.
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Expert Comment

by:comfortjeanius
ID: 39887167
Did you make sure the latest drivers and windows updates are applied?
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by:mbudman
ID: 39887168
Can you tell me where I would use group policy for disabling wireless?

What happens if they only want wireless (in office but not connected to wired network)
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comfortjeanius earned 500 total points
ID: 39887179
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by:mbudman
ID: 39887217
Because of the nature of the environment, I would prefer to not use 3rd party applications.

What I basically would like is the following:

If wired network card is active, then disable the wireless NIC or remove the gateway for the Wireless NIC.

Is this possible? Is it possible to set this with group policy?

Thanks.
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by:Rob Williams
ID: 39887241
To block a wireless connection with group policy go to:
Group policy management console | computer configuration | windows settings | security settings | wireless  network | new policy | Network permissions | add the SSID and select deny

There may be some work around for wired but I am not aware of them.  You can use DHCP to assign incorrect settings for a non-existent subnet to a particular MAC address using a reservation, which I suppose would work.
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