iPhone Calendar Sync has stopped working

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Si., Nov 30, 2011.

  1. Si. macrumors member

    May 18, 2006

    For some reason my iPhone has stopped syncing calendar appointments, it was working fine yesterday but stopped yesterday night. I've tried replacing the calendar data on the phone but no luck, also tried turning calendar sync off, then back on again (doing a sync between) and still no luck, and deleting sync history, nothing

    Can anyone help?

    Iphone is a 3gs running IOS5, Outlook is 2003.

    Sync of Notes and other things is working fine.
  2. Si. thread starter macrumors member

    May 18, 2006

    I've tried a full restore (without recovering from a backup) and still nothing..
  3. BrianBaughn macrumors 603


    Feb 13, 2011
    Baltimore, Maryland
    I had a customer with the same problem on Outlook 2010 for Windows. I didn't figure out what was causing it, but I have a suspicion that it was some sort of corruption in the Outlook database.

    I ended up putting the customer on Office365 (for contacts and calendars).

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