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General Chat Thread, Opinions on migration from Exchange 2003 to Zimbra in General; I am currently contemplating migrating away from Exchange to Zimbra. I must admit that my main reason for doing this ...
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    Ric_'s Avatar
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    Opinions on migration from Exchange 2003 to Zimbra

    I am currently contemplating migrating away from Exchange to Zimbra.

    I must admit that my main reason for doing this is because I am cheap and don't want to spend ridiculous amounts of money just to publish OWA for the 2 people that might use it! </rant>

    Anyway... has anyone else made the evaluation? Does anybody have any good reasons for or against?

    I have just installed a test VM with v5 RC1 today to have a play with a view to swapping a couple of people across to ti as a trial.

    As a note, we have exactly 2 people that use the contacts and calandering features of Exchange (me and the bursar) so much of the clever stuff is wasted. I think that this would change with adoption of Zimbra though because the web interface is MUCH nicer than OWA.

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    Oops_my_bad's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Not yet but seriously considering Zimbra when our exchange box comes end of life (about another year.. god dammit). luckily we have a large crowd of calendar and webmail whores, so it should be worthwhile

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    Ric_'s Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    @TeddyKGB: Have you considered performing a trial now? I would be interested in sharing comments so that we can all make an informed decision.

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    I'm towards the end of testing Zimbra 4.5.X - just got email message migration to plan and test then arrange downtime to replace existing email server (Linux based though, not exchange). I'm documenting most of the process on our wiki.

    We need to migrate pretty quickly now, and we can't really hold out for 5 - it will be an upgrade for us I think at a later date.

    Zimbra will do everything we need, and we will be using the web client exclusively with a different Class of Service for staff and students. I'd also believe the manual when it mentions minimum specifications for RAM

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    I'm debating a zimbra install for a private (non-school) client and for myself but the thorny issue of security is putting me off as I'm looking at VM OS's to handle it all.

    The only down side to it all is the fact that Outlook doesn't get supported until you go with a commercial license which on small scales is just not cost effective.

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    webman's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    What thorny issues do you have regarding security?

    If you go with Scalix you get 25 Outlook connectors for free if your users really must use Outlook and all of its features.

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    contink's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Quote Originally Posted by webman
    What thorny issues do you have regarding security?
    Oh they're unrelated to Zimbra itself, it's the question of putting things on a net facing box and making sure the whole thing is as bulletproof as possible. So more a generic security issue than anything specific to one app or OS.

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    meastaugh1's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Out of interest, what are the ridiculous costs involved in publishing OWA for 2 users?

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    I thought you were going come down here and look at our Zimbra setup Ric?

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Quote Originally Posted by Ric_
    I am currently contemplating migrating away from Exchange to Zimbra.

    I must admit that my main reason for doing this is because I am cheap and don't want to spend ridiculous amounts of money just to publish OWA for the 2 people that might use it! </rant>

    .
    Just Curious....

    Why are you facing ridiculous amounts of money to publish OWA?

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    Geoff's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Because for offsite access via the internet you need an 'External Connector' license. Which is hilariously expensive.

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    As I understand it, you just need a Windows and Exchange CAL for each user. It's usually cheaper to purchase an external connector for Windows if you're exposing a Windows Server to potentially hundreds/thousands of users.

    But as you say, the external connector for Exchange is never going to work out financially, so you just purchase user CALs.

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    You misunderstand how Exchange licensing works. You can only buy CALs for employees. Students are not employed by the School thus can only be covered by a CAL when they are onsite. If you wish to allow external offsite access to OWA to students, the only way you can satisfy the license requirements is with an External Connector license.

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    Re: Opinions on migration from Exchange 2003 to Zimbra

    Quote Originally Posted by Geoff
    You misunderstand how Exchange licensing works. You can only buy CALs for employees. Students are not employed by the School thus can only be covered by a CAL when they are onsite. If you wish to allow external offsite access to OWA to students, the only way you can satisfy the license requirements is with an External Connector license.

    Are you sure?

    Note: The External Connector license (EC) is an optional additional server license for external users that enables access to your servers running Exchange Server 2007. With this license, you do not need to buy individual Exchange Server CALs. The EC license is purchased for every copy of Exchange Server 2007 that can be accessed by the external user. An example of an external user is a person who is not an employee or similar personnel of the company or its affiliates. This license allows access to the Exchange server by an unlimited number of external users that can include, but is not limited to, business partners, suppliers, customers, retirees, and alumni. It is licensed per server.

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    meastaugh1's Avatar
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    Re: Opinions on migration from Exchange 2003 to Zimbra

    On the last price list I saw, Ramesys were selling Exchange 2007 Student Access Licenses. Don't know if this is something that's been introduced new with 2007.



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