OS X Lion mail upgrade hang

Discussion in 'Mac Apps and Mac App Store' started by gramirez2012, Oct 12, 2011.

  1. gramirez2012 macrumors 6502a

    Jun 21, 2010
    Chicago, USA
    I upgraded to Lion for the first time today, and when I open the Mail app it says that the existing messages need to be upgraded before I can use Mail. So I click on that and it shows a progress bar, however it just hangs about 1/4th of the way through. I've done some googling and can't seem to find any info on the problem. Has anyone else experienced this?

    BTW, I'm using a MobileMe/iCloud address.
  2. Big Bad Dad macrumors newbie

    Oct 16, 2011
    Ditto - started the upgrade yesterday and now some 24 hours later still sitting there. I did close the lid on my MacBook Air and wound up force quitting. However, when I relaunched mail, it went right back to the same place about 25% along. Any progress on your end?
  3. Espen macrumors newbie

    Oct 27, 2011
    Saltnes, Norway
    Experienced the same problem. Called Apple support and we first tried to remove the com.apple.mail.plist file in the library/preferences folder(after Force Quit Mail). That didn't work.
    The next approach was to make an archive reinstall of the OS (Cmd - R at startup). When the reinstall was finished all looked the same and I started Mail again and got the Welcome window. I was fearful that I would face the same problem, but to my great relief the upgrade worked. Took only seconds and Mail was up and running:)

    It can be that because, in the previous version, I had a POP account in addition to my me.com account, the problem occurred. POP is not supported with iCloud.
    Remove any POP account before upgrading to Lion and iCloud;)

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