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jls001

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I would like to setup a secondary (backup) kerio server incase the primary ever fails. Couple of questions:
Is this even possible?
If so, do domains/user accounts need to be setup on secondary.
What other alternatives people are using for secondary email server.

Thanks in advance.
JK
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jshaw541

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jls001 wrote on Wed, 14 December 2005 12:48

I would like to setup a secondary (backup) kerio server incase the primary ever fails. Couple of questions:
Is this even possible?
If so, do domains/user accounts need to be setup on secondary.
What other alternatives people are using for secondary email server.

Thanks in advance.
JK



Two questions:

1. Do you want a full secondary that users can check and send email with while the primary is down?
2. Or, do you just want a place to queue incoming messages until the primary is back up?

Kerio MailServer 6.7.1 w/AD
Windows Server 2003 SP 1
Dell PowerEdge 2850 (Dual Xeon 3.2ghz and 2 GB RAM)
~1300 users
~1000+ concurrent IMAPS connections
iPhone users
Outlook 2007 KOFF users
Apple iCal 10.5/10.6 users
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gryphon

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I was hoping to do the same thing - with option 1 (allowing users to carry on as normal checking/sending mail on the secondary when the primary fails).

Obviously the problem with this is that the primary needs to somehow get all the emails from the users' mailboxes when it comes back up, rather than just using ERTN to get the current queue.

This is something I would like some advice on how to handle if possible? Can the mailstore files simply be copied back to the primary? I'm guessing this isn't the normal way to do it?

Thanks in advance for your help.

Tom.
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winkelman

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There is special software for this, to keep a fail-over server running. It would of course cost you secondary server hardware + software to do this fail-over job. This fail-over server will stay synced to the primary server(s) and assume it's identity in case of problems.

The plus is you can use one (big) server as a fail-over server for all your other servers. (Of course, it can only take over one [the first] failed server.)
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