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jjrab
Asked: 2011-12-02 10:55:18 +0800 CST

iPhone calendar sync with Exchange 2010

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I have an iPhone user that just recently noticed that his iPhone calendar changes are now overwriting any changes made in Outlook. I checked and didn't see any config settings on the iPhone for whether the device or Exchange "wins". Does anyone know where this might be configured?

synchronization exchange iphone

2 Answers

  1. Last change wins, generally.

    There are two scenarios I can think of here based on the wording of your question - which one are you referring to:

    1. User makes change on Outlook, iPhone does not sync for whatever reason, iPhone's non-changed item then overwrites the changed item in Outlook.
    2. User makes change on Outlook. User makes different change on iPhone. iPhone item overwrites Outlook.

    If it's 1, that's an issue. If it's 2, that's expected behavior. Can you clarify further?

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  2. I would suggest checking time synchronization on the phone and on the server.

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