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Thread: Migration: Zimbra 4.5.4 to Zimbra 5.0.0 Beta3

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    dinux is offline Member
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    Default Migration: Zimbra 4.5.4 to Zimbra 5.0.0 Beta3

    Hello all. I am running Zimbra 4.5.4 OpenSource on one server that is about to die and is causing me a lot of problems. In order to fix our issues, I have gone ahead and setup a new email server on a different Fast Ethernet drop in our Data Center. The new server is running Zimbra 5.0.0 Beta3 OpenSource. Because the OpenSource versions do not have zmbackup and zmrestore bundled with them, I was wondering what the best way to migrate all of my domains, users, and email over to the new Zimbra server would be? Any help is definitely appreciated. Thank you!

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    You should install the same version of Zimbra on the new server and make sure it's running OK then copy the /opt/zimbra directory (check the forums for an rsync command to do this) over the same directory on the new server. It's adbisable to run zmfixperms on the new server then re-install the same version of Zimbra, once you make sure that's OK you should run an upgrade (take a backup again before the upgarde). That assumes you're going to be using the same hostname and domain name. Check the forums for some more details on doing this procedure.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  3. #3
    dinux is offline Member
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    Yeah, unfortunately that is not an option for me. The current version running our email is 4.5.4 and that will not run on CentOS5 64-Bit from what I understand. Plus, it causes a lot of confusion and could potentially cause a lot of problems during the migration by copying the directory over using rsync or another method. I am also using a different sub-domain for the new email server.

    Any other ideas?

  4. #4
    phoenix is online now Zimbra Consultant & Moderator
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    In that case I'd suggest IMAPSYNC to copy directly to the new server, export contacts as .csv files and calendar via REST then just import them into the new server.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  5. #5
    Chewie71 is offline Trained Alumni
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    Use VMware for the transition?

    - Install VMware Server on your new CentOS box
    - Create a 32bit CentOS Vmware instance
    - Install 4.5.4 and move your data over
    - Upgrade your VMware Zimbra instance to version X
    - On the 64bit physical host install the same version of Zimbra as is running in the VMware instance
    - Migrate the data over from VMware instance to the physical host

    I've done it this way. It's time consuming, but if you're careful it should work for you.

    Matt

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