Upgrade exchange server from exchange 2003 to exchange 2013

Hello, I am looking for the best way to upgrade my exchange server 2003 to exchange server 2013.

I can think of two ways:

•      Export all PST and install a new server
•      Upgrade to 2007 and then upgrade to 2013

Is there any other way?
Which way is the best?
Robert-ProdigyAsked:
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DhananjayTechnical ConsultantCommented:
Please refer the below links
http://technet.microsoft.com/en-us/library/jj898486%28v=exchg.150%29.aspx
http://www.codetwo.com/exchange-migration/?sts=3015

Note:Microsoft does not support coexistence scenario between Exchange 2013 and Exchange 2003
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vmdudeCommented:
To go from 2003 to 2013 you have to first go to either 2007 or 2010 first.
Depending on how many users you are looking to do, I would recommend going first to 2007/2010 and then moving from that version to 2013.
This is the recommended method. I would personally advise against exporting to PST then uninstalling Exchange 2003 and installing 2013, this could actually be more troublesome than going through the migration route.
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Robert-ProdigyAuthor Commented:
is anyone worked with http://www.codetwo.com/exchange-migration/?sts=3015 ?

appreciate recommendation.....

also is someone know if it support Hebrew?

Best Regards,

Asaf
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
If your planning for PST why go to Exchange 2007 ?
If your planning for 3rd party ensure you understand all its affects even with decomission of old servers

- Rancy
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Simon Butler (Sembee)ConsultantCommented:
I wouldn't do the PST method - the risk is very high. If you are using the same domain then you need to completely remove Exchange 2003 before you install the newer version. That means you will destroy all email addresses, permissions etc. You would have to document everything to be able to recreate it, and if you miss it - tough.

The double step of migration to Exchange 2010 then to 2013 after removing 2003 is the only one I would consider doing. Exchange 2010 is very stable and mature. You are in for a major shock anyway, as Exchange 2003 and 2007/2010 are very different products, so it would help you if you went to the most current you can, before making the final leap.

Simon.
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hecgomrecCommented:
Having the same issue as you and having to experience with the process I will recommend going on a "transition" from 2003 to 2010 and finally to 2013.

Here is why.... most likely your current 2003 system is on a 32bit OS and all other you can benefit from 64bit with more memory and etc. if not... sorry I'm guessing!!!! and you can do an in place upgrade of exchange.

There is information on the web on how to do the transition step by step but basically is like installing another exchange server on your domain, you can create / move mailboxes and test regular mail flow and move every single mailbox after your test are all OK!, this procedure will create all the required connections between the 2 servers without you having to replicate all your settings on the new server and this will allow you to do an in place upgrade to 2013 after.

Exporting user's emails to PST files, installing new server's settings, testing and importing user's emails will take you longer than transitioning your server.  I don't know about your environment but in today's world emails are a big thing you can't afford not to have for a long time.

Good Luck!
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