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Thread: Outlook 2007 drops connection to Zimbra occasionally (won't download new mails)

  1. #1
    Henrik_ is offline New Member
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    Default Outlook 2007 drops connection to Zimbra occasionally (won't download new mails)

    Hello,

    We're having a strange problem with the Zimbra Outlook Connector at our company.

    Most of the time, the integration between Zimbra and Outlooks works just fine.

    However, occasionally, it just stops downloading new mails, even though they exist in the webmail interface. This seems to happen at complete random (random people gets affected at totally random occasions).

    The solution to the problem is always to simply reboot the PC. I guess this has something to do with Outlook's cache handling, but that's just a wild guess.

    When clicking the "send/receive" button, everything completes just as normal, with no error messages, but no mails appear.

    Any suggestions on how to fix this would be greatly appreciated!

    We are using Version 5.0.4_GA_2101.UBUNTU6.NETWORK Mar 21, 2008 of the Zimbra Server.

    Thanks,

    Henrik
    Last edited by Henrik_; 05-16-2008 at 02:31 AM. Reason: Forgot to mention one thing

  2. #2
    fsiegel is offline Zimbra Employee
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    Default

    I assume that these users are exiting and re-entering Outlook a number of times throughout the day? This in itself is fine, unless we have some shutdown problems, which happens sometimes. In that case, the old Outlook process is still running, and when the user fires up Outlook again, there will be a new Outlook process running that doesn't sync correctly. That would be why rebooting the PC would fix it -- the old process would go away.

    Note that Outlook does take 20 or 30 seconds (or more, depending) to shut down. One thing that can cause this problem is exiting Outlook, and then immediately starting it up again. So when exiting Outlook normally, wait at least 20 or 30 seconds before starting it up again.

    If and when this happens again, and emails are not syncing to Outlook, exit Outlook, and then go to the Windows Task Manager, and shut down any remaining Outlook processes that you see. Then open Outlook again.

    Let us know if this solves your problem. Note that we continue to work on shutdown issues.

  3. #3
    Bill Brock is offline Outstanding Member
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    Default

    Make sure your NIC is not being put to sleep by your OS and dropping connection. If you are using DHCP with a firewall, make sure your DHCP ports are open.

  4. #4
    Henrik_ is offline New Member
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    Unhappy Update

    Quote Originally Posted by Bill Brock View Post
    Make sure your NIC is not being put to sleep by your OS and dropping connection. If you are using DHCP with a firewall, make sure your DHCP ports are open.
    This can't be the problem since I've checked and fixed it. We've recently upgraded to the newest version of the connector, but some people are still having problems.

    Right now there's an employee who is totally unable to get any new mails into her Outlook. There's loads of new mails in the web mail interface.

    Even restarting the entire PC (which has proved to be the most efficient method) won't work. Any ideas?

  5. #5
    EnriqueI is offline Special Member
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