Windows Mobile 5.0 does not connect to Windows Mobile Device Centr

Discussion in 'ActiveSync' started by Kannan, Jul 26, 2007.

  1. Kannan

    Kannan Guest


    I've Windows Mobile with OS version 5.1.195 (Build 14847.2.0.0) and trying
    to connect to Windows Mobile Device Centre 6.1 on Vista Business. The mobile
    simply wont connect to the mobile device centre.

    I never had any issues with this version of Windows Mobile to connect to my
    XP Pro using ActiveSync 4.5 and it still connects and syncs. Only problem
    with Vista Business which is on a new machine.

    My question is... should I or should I not have "ActiveSync" loaded on the
    mobile for it to be able to connect to my Windows Mobile Device Centre?

    Kannan, Jul 26, 2007
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  2. Kannan

    Raj Pillai Guest

    Hi Kannan,

    WMDC is all you need to synchronize your WM 5.0 device with Vista. You
    don't have to install ActiveSync. Suggest you check out the following page
    for more information and help with troubleshooting you issue -
    Raj Pillai, Jul 26, 2007
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  3. Kannan

    clarkcarty Guest

    Yes, he needs ActiveSync on the mobile device. However on Vista you need the
    WMDC as stated.
    clarkcarty, Jul 27, 2007
  4. Kannan

    Raj Pillai Guest


    Sorry, I missed the point about ActiveSync on the mobile device. Yes,
    ActiveSync is required on the device to be able to sync with ActiveSync or
    WMDC (depending on the operating system of your computer). In any case you
    can't uninstall it from the device.
    Raj Pillai, Jul 30, 2007
  5. Kannan

    Kannan Guest


    Thank you Raj and Clarkcarty.

    After your messages, I've figured out there the problem could only be
    because of the Firewall etc. So I disabled the firewall, intrusion detection
    and anti-virus software. It didn't work even after restarting the mobile as
    well as the laptop.

    Coincidentally (with some fear of intrusion/hacking) etc, I thought it would
    be safer to disable the internet connection, so I disabled the WiFi (as it
    was the only way I connected to the internet) and then disconnected the usb
    and then connected again. Surprisingly it connected without any problem.

    Now I enabled one by one, i.e. firewall, intrusion detection and then
    anti-virus. When I enabled the above, for each step, I disconnected and
    connected the usb to make sure the WMDC connects to the mobile. It did.

    When I enabled the WiFi again to connect to internet, the WMDC connection
    remained. However, while the WiFi is on, when I disconnect and reconnect the
    usb, it wouldn't establish the connection between the mobile and WMDC. I can
    see the new LAN connection created when I connect the usb and it's status is
    Enabled and Shared. But sync status on mobile is "Connecting..." and on WMDC
    it is "Not Connected".

    Can you throw some light on this "Network Connections" conflict?

    Kannan, Jul 30, 2007
  6. You'll have to tell us what WiFi software you might be using (driver, WiFi
    manager, etc.). There was a problem with a certain Intel wireless software
    set a while back with XP and ActiveSync, so it could be the same thing.
    There was never a single failure point found that could be fixed, but many
    people found that if they upgraded the driver, the WiFi manager software, or
    both, everything was fine. It was as though the WiFi stuff did not want to
    allow the USB network connection while WiFi was connected to the network.
    You might also try disabling the "Enable advanced network functionality"
    option on the device, if you have it (Settings, Connections, USB to PC).

    Paul T.
    Paul G. Tobey [eMVP], Jul 30, 2007
  7. Kannan

    Kannan Guest


    Thanks for the quick reply.

    I use "Intel(R) PRO/Wireless 3945ABG Network Connection" for WiFi.

    Driver Details:

    Location: C:\Windows\System32\Drivers\NETw3v32.sys
    Provider: Intel
    Driver Date: 30/10/2006
    File Version:

    Please note, I dont have "Settings, Connections, USB to PC" on my mobile.

    Hope this helps.

    Kannan, Jul 31, 2007
  8. That's the one that was problematical. You might double-check the Settings
    items and see whether there's somewhere to turn off the Advanced network
    functionality. Otherwise, I'm afraid that you're going to have to fish
    around for some driver that will work. Do I take it correctly that you are
    not using any Intel software to actually pick an SSID to connect to, set WEP
    keys, etc., but are using the built-in Windows software to do that?

    Paul T.
    Paul G. Tobey [eMVP], Jul 31, 2007
  9. Kannan

    Kannan Guest


    Thanks again.

    I will keep this post updated about how I solved the issue (if I solve). In
    the meantime, I just disable the WiFi connection, connect my mobile to the
    laptop and then enable WiFi back. WiFi doesn't seem to disturb the already
    established connection between the mobile and laptop. Weird!!

    Kannan, Aug 3, 2007
  10. It's actually the WiFi software that is breaking the WiFi connection when
    you hook up the device. ActiveSync isn't doing anything wrong; it simply
    creates a little network consisting of the PC and the device. However, the
    WiFi software decides that it doesn't want to be active when there's another
    network connection in place and active (maybe an overactive security step;
    it makes sense to prevent this in many cases), so it shuts down the WiFi

    Paul T.
    Paul G. Tobey [eMVP], Aug 3, 2007
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