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Thread: correct upgrade path?

  1. #1
    rrust is offline Trained Alumni
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    Default correct upgrade path?

    I have a question regarding upgrading.

    right now we use zcs-4.5.2_GA_699. We purchased the network version but have not upgraded yet. What is the best path to get to 5.0 network?


    4.5.2 OSS upgrade to 5.0 OSS, then 5.0 OSS - network?

    OR

    4.5.2 OSS to 4.5.2 network, then to 5.0 network?

    thanks!
    Robert

  2. #2
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    mmorse is offline Moderator
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    Welcome to the forums,
    Should technically be your choice - what operating system platform?
    ie Want to make sure you can do those upgrades see http://www.zimbra.com/products/sunset_binaries.html to understand what I'm talking about.
    Network Edition Moving from Open Source to Network Edition ZCS - Zimbra :: Wiki
    Make plenty of backups & be sure you're sending/receiving mail at each hop - it's harder to downgrade zcs.
    By all means don't step through all the releases -it's pointless- but you can always do 4.5.10 in there if you want for a level of comfort.
    If you're on RHEL/CentOS or have old certs let us know.

  3. #3
    rrust is offline Trained Alumni
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    doh! guess that would be helpful, huh? -lol

    we are using centos 4.4. I plan on doing all this on a seperate pc first using dnsmasq to fix the FQDN. If all goes well, then do it on the production server.

  4. #4
    rrust is offline Trained Alumni
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    I guess the brings up another question, should we update to centos 5? and if so how does that fit with my previous question?

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    mmorse's Avatar
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    Ok so, as you're going to be on NE you really should use one of the officially supported platforms as listed at /products/downloads.html or the Zimbra Product Portal - Release 5.0

    You can change platforms by using this process: /blog/archives/2007/10/moving_zcs_to_another_server.html

    If you choose to stay on CentOS/RHEL(mainly 4) see Upgrade to 5.0 from 4.5.9 fails or first installation ZCS 5.0GA on centos 4.6 failed

    The certs stuff (fixed in 5.0.1): If you have trouble with Zimbra 5.0, Read this:
    Last edited by mmorse; 01-08-2008 at 06:34 AM.

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