Windows 7 DHCP

Posted on 2011-05-06
Last Modified: 2012-05-11
I recently deployed an HP MSM760 wireless controller device.  I have 2 wireless networks configured - a secured network for our school and an unencrypted network for the public to access.  I am having an issue with Windows 7 notebooks connecting to the public access network.  This includes our 2 Windows 7 notebooks as well as several parents who have brought their own notebooks which leads me to belive it is not a specific brand of notebook.  
The actual issue is that the Win 7 nbks will not pick up an IP address from the controller on the public unsecured network.  It will obtain an address on the encrypted network just fine.  Win XP and Macs have connected to the public network just fine.
I have updated the firmware in the MSM760.  Our notebooks do not yet have SP1 installed and I don't know if the parents' notebooks have SP1.
Our anti-virus is Sophos and does not include a firewall.
I have disabled IPV6.
HP claims they have not heard of anyone else with this issue.
Has anyone heard of restrictions within Win 7 for connecting to unsecured networks?  
Any and all suggestions are welcome.
Question by:Cybertronnh
    LVL 8

    Expert Comment

    Have you enabled the access point dhcp service.

    What is the model and manufacture of the public arcade point?
    LVL 8

    Expert Comment

    Access point sorry
    LVL 44

    Expert Comment

    by:Craig Beck
    Have you tried a SmartPhone or Windows Vista/XP laptop on the unsecured network?

    Author Comment

    The HP MSM760 is the wireless controller.  It does have DHCP as it works with XP machines.  I have not tried Vista or a smartphone.
    LVL 8

    Expert Comment

    Try assign a static IP,subnetmask, gateway for the Windows 7 machines.

    Accepted Solution

    It turns out that the initial installer had turned on mac address filtering but did not bother to tell us.  This explains why it did work fine on the one laptop, which of course had nothing to do with XP vs Win 7.  Utlimately, what a waste of time for the rest of us.
    Thanks for your help guys

    Author Closing Comment

    we found the solution ourselves

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