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Netbooks, PDA and Phones Thread, 300 iPads 4 won't connect to WiFi in Technical; Hello all, I've got 300 iPads all of them connected to the wifi when they were setup. All working for ...
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    rob998's Avatar
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    300 iPads 4 won't connect to WiFi

    Hello all,

    I've got 300 iPads all of them connected to the wifi when they were setup. All working for the past 18 months. Suddenly I have 4 which will not connect. Nothing has changed as the other 296 all still connect and work fine. I have done factory resets, supervised and unsupervised using Apple Configurator but still no luck. The apple support have been useless so far.

    The message when you connect simply says 'unable to connect to 'WiFi'

    Using the iPhone config utility console I get the attached log. device log1.txt

    Does that make sense to anyone? Or has anyone had this before and found a solution?

    Rob

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    abillybob's Avatar
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    Do you have enough available IP addresses? Has any of the staff connected extra devices up such as personal mobile phones that then aren't allowing these iPads to gain an IP address?

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    rob998 (11th February 2014)

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    Michael's Avatar
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    If you have enough IPs, see if you can create a test wireless network on a different subnet and see if it connects. Alternatively take one home and see if it connects here.

    Failing that then send them off for repair. It is possible the wireless card can go wrong, as with any computer.

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    rob998's Avatar
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    Hello - thanks for the replies.

    We have an abundance of spare IPs so that isn't the problem. I've also taken an iPad home and it connects fine to my wireless so the iPad is fine. Don't know why 296 iPads will connect and suddenly they won't.

    My next step is to reboot the Meru controller and APs tonight.

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    Michael's Avatar
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    You could try fully shutting down 10 iPads and then connect the four that don't work just to be sure.

    What IP range are you using? A Class A 10.x or something else?

  7. Thanks to Michael from:

    rob998 (11th February 2014)

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    mac_shinobi's Avatar
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    Not sure if this is a valid suggestion but ( not in this order ) :

    * Update the firmware on the Meru equipment

    If that does not help or make any difference possibly book a support ticket with them ( they may have a non publicly available version of firmware that may resolve some issues )

    Also what version of iOS do the iPads have, maybe ensure all iPads iOS is all up to date so they are the same version ?

    Not sure if it will make any difference or help etc but within iOS I know you can go to settings --> general --> Scroll to the bottom --> Reset --> Reset Network Settings and click yes and let it reboot and then try and connect to the wireless again on the problematic ipads

    Just some thoughts
    Last edited by mac_shinobi; 10th February 2014 at 04:24 PM.

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    jmcdermott's Avatar
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    I would suspect a mac address block within the wireless controller, try connecting one of them to any old stand alone wireless AP you have lying around.

  10. 2 Thanks to jmcdermott:

    mac_shinobi (10th February 2014), rob998 (11th February 2014)

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    rob998's Avatar
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    Quote Originally Posted by Michael View Post
    You could try fully shutting down 10 iPads and then connect the four that don't work just to be sure.

    What IP range are you using? A Class A 10.x or something else?
    I'm using Class B

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    Are you on IOS7? if so try going into settings>safari>block cookies> and select "from third parties and advertisers". I had multiple problems when mine was set to never when I upgraded to IOS7.

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    rob998's Avatar
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    I'll try the reboot of the Meru equipment tonight and see where I get.

    All iPads are running 7.0.4. Tried various combinations of resetting the network - simple reset, enable aeroplane mode and reset (as suggested on tinterweb).

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    Michael's Avatar
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    Quote Originally Posted by rob998 View Post
    I'll try the reboot of the Meru equipment tonight and see where I get.

    All iPads are running 7.0.4. Tried various combinations of resetting the network - simple reset, enable aeroplane mode and reset (as suggested on tinterweb).
    You could also try a static configuration as an idea before rebooting the controller.

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    Quote Originally Posted by jonnykewell1 View Post
    Are you on IOS7? if so try going into settings>safari>block cookies> and select "from third parties and advertisers". I had multiple problems when mine was set to never when I upgraded to IOS7.
    from third parties and advertisers is already selected :-(

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    Quote Originally Posted by rob998 View Post
    I'll try the reboot of the Meru equipment tonight and see where I get.

    All iPads are running 7.0.4. Tried various combinations of resetting the network - simple reset, enable aeroplane mode and reset (as suggested on tinterweb).
    Not sure if iPhone iOS versions correspond with iPad version of iOS, however my iPhone has 7.05 and believe they are working on 7.1 to resolve an issue where by you can turn off Find My iOS Device, although may not help with the networking issue(s) you mention.

    Are all iOS ( iPads ) connecting to the same AP or what exactly, you able to logon to each AP or the Zone Director etc to see which AP's each iPads are associated with ??

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    rob998's Avatar
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    Quote Originally Posted by mac_shinobi View Post
    Not sure if iPhone iOS versions correspond with iPad version of iOS, however my iPhone has 7.05 and believe they are working on 7.1 to resolve an issue where by you can turn off Find My iOS Device, although may not help with the networking issue(s) you mention.

    Are all iOS ( iPads ) connecting to the same AP or what exactly, you able to logon to each AP or the Zone Director etc to see which AP's each iPads are associated with ??
    When I log in to the Meru Controller and select the list of connected devices the MAC for the iPads in question are no listed - so they are no cached in the system. Assigning a static IP to the iPad doesn't get a connection.

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    rob998's Avatar
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    Quote Originally Posted by Michael View Post
    You could also try a static configuration as an idea before rebooting the controller.
    Static IP doesn't give me a connection.



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