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My office PC has a one wireless network card and there are three available wifi connections: primary, backup and backup of a backup (grin).

Is it possible for me to use all three simultaneously. If this results in an increase in bandwidth that's well and good, but primary reason is every now and then one of the network fails and i have to switch back and forth between the available networks by disconnecting, viewing available networks and connecting to next one hoping its running. Do i need more than one network card or a software e.g. a proxy.

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    It's not necessary to ask the same question on more than one site -serverfault.com/questions/142167/…. If the community thinks it will get a better response on the other site it will be migrated.
    – ChrisF
    May 15, 2010 at 14:07
  • I am really confused why you would have 3 wifi connections? Why not have 1 good one with many APs so that failure is not something that happens due to one AP going down? Sounds like you are getting weak signal etc which results in loss? Or are all 3 connections on different networks?
    – Jakub
    Dec 2, 2010 at 13:52

1 Answer 1

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"Do i need more than one network card "

Yes. This is known as "load balancing".

To enable random adapter load balancing on Windows XP you need to make a registry change.

There's a short guide here;

System Key: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Parameters]
Value Name: RandomAdapter
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = disabled, 1 = enabled)

For Windows7, see this question.

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  • He said he only had one wireless adaptor.
    – paradroid
    Sep 27, 2010 at 12:59
  • He also asked if he needed more. I should have made it clearer that the answer to that is definitely "yes". I will update my answer.
    – RJFalconer
    Sep 27, 2010 at 19:35

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