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Exchange 2010 redundancy

Posted on 2013-12-06
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Last Modified: 2013-12-10
I have an exchange 2010 server with all roles.  I have a backup exchange box off-site and wanted to get it setup so if the main one dies I can have the backup resume.  Used to use 3rd party applications to do this but I hear its easy to do with exchange 2010?  What all is required to setup and if a disaster occurs, how do you get the other one active (dns change internally and change mail delivery from firewall to hit backup server?).
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Question by:rhwimmers
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Expert Comment

by:Simon Butler (Sembee)
ID: 39701692
What is the underlying OS? If it is Enterprise edition of Windows then you can setup a DAG, which will replicate the data, then use a CAS Array and a load balancer.
If the underlying OS on either end is standard edition then you are going to migrate to a new machine with Enterprise edition or Windows 2012 standard.

Simon.
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by:rhwimmers
ID: 39701778
2008 r2 standard.  So I can't replicate exchange with std edition08 on exchange 2010 without 3rd party tools, but server 2012 with exchange 2010 allows it?
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by:Simon Butler (Sembee)
ID: 39702977
Correct - because it uses clustering.
The clustering technologies are not in Windows 2008 R2 standard, but they are in Windows 2012 standard (because there is no Enterprise edition).

I would look at the costs between third party tools and replacing the Windows OS.

Simon.
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by:rhwimmers
ID: 39707014
Once I get 2012 OS for the exchange servers what is the process?  Should we go to exchange 2013 at the same time, what's gained?
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Simon Butler (Sembee) earned 410 total points
ID: 39709660
You would need to evaluate whether you want to upgrade to Exchange 2013. If you have any Outlook 2003 clients then you cannot do the upgrade for example.

As for the process - it is documented on TechNet what needs to be done.
Install Windows, install prerequisites, install Exchange, configure the DAG, setup the databases. Obviously there is a lot more to it, so I suggest some reading.

Simon.
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by:rhwimmers
ID: 39709676
Thanks for the info
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