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Thread: Upgrade from 4.5.10 to 5.0.2

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    amitbiswas is offline Active Member
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    Default Upgrade from 4.5.10 to 5.0.2

    Hi guys, I would like to upgrade my Zimbra_OSE_4.5.10 to OSE_5.0.2, it will be very helpful if I get some information about the process to follow so that I can achieve update to 5.0.2 in minimum server down time and without any hiccup. Any help on this much appreciated.

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    dwmtractor's Avatar
    dwmtractor is offline Moderator
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    You might check out this thread for some pointers:

    Migrating from one server to another and upgrading from 4.5 to 5.0 AND port changes

    Bottom line from most reports I've seen is it should go pretty smoothly, but just in case it does not, be sure to take a full backup of the ENTIRE /opt/zimbra tree after you have stopped Zimbra services and before you start your upgrade. With this plus a copy of the appropriate 4.5.10 binary you can restore your existing system if something does blow up.

    Also, if you have any custom entries in /etc/hosts that do not resolve to a FQDN, comment them out before running your upgrade or it'll bomb.

    Finally, if you've done any customizing of your anti-spam system (whether zmprov commands or edits to local.cf) they will not survive the upgrade so be prepared to restore them from your backup.

    Cheers,

    Dan

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