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Thread: Apple iSync connector won't install on Leopard 10.5.5

  1. #1
    scottmc is offline Starter Member
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    Oct 2008
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    Unhappy Apple iSync connector won't install on Leopard 10.5.5

    I have just installed the Zimbra Network Edition 5.0.10 for trial purposes on a new Red Hat box. All is well except that I cannot install the iSync connector on my macbook. I have downloaded the connector from the Admin page (isync-5.0.10_GA_2604.MACOSX_UB.dmg) but part way into the install it fails with the message:

    The following install step failed: run preflight script for Zimbra Collaboration Suite - Connector for Apple iSync. Contact the software manufacturer for assistance.

    I can only find one or two references to this about the place but they don't match my circumstances.

    Any help much appreciated... trial is pretty much dead in the water if I can't get this going.



  2. #2
    dpmchris is offline Special Member
    Join Date
    Nov 2007
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    I have never seen this before, and I swear I have various sync connectors of different version running all around my site, so I will try to take a couple stabs at this/

    If it is a problem with your Mac's user profile, try creating a test Admin account on your MacBook and install the connector in that account to test. If that doesn't work, try a different installer: Go to and create a Hosted Demo account. Log in and grab an installer linked in one of the emails.

    Somewhere in the forums here are instructions for removing ALL of the connector and its files if that helps (as it has for me) with reinstalling a broken connector. Last resort: if there is an issue with your OS install that doesn't like the connector you may try reinstalling though that is pretty extreme, especially considering you have only one Intel Mac available to you.

    Hope that helps, it has been working mostly predictably for me, YMMV. I wouldn't want you to be can try calling or bugging Zimbra support as I doubt they would want to flub a sale.
    Version 6.0.16_GA_2998.NETWORK Apr 4, 2012 MACOSXx86
    Xserve 2x Dual Core Xeons 10GB with Xserve RAID

  3. #3
    funajon is offline New Member
    Join Date
    Jul 2008
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    Make sure you don't have System Preferences open when you start the installer.

    I had this problem the other night, and was beating my head against the wall, finally opened up the Installer log, and apparently the installer doesn't know how to handle the 'I can't install if System Preferences is open' dialog box... so it never shows it.

  4. #4
    PeterH is offline Senior Member
    Join Date
    Oct 2005
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    Thank you!
    Just ran into same problem on brandnew (and first ) Mac, checking out connectors after upgrade to 5.0.11NE.
    Using ZCS Network-edition 5.0.16 on Ubuntu 6.06.2 LTS and 8.04 LTS

  5. #5
    gmeazell is offline Active Member
    Join Date
    Nov 2009
    Dallas, TX
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    Bingo! The Open System Preferences solution did it for me. Thanks.

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