Exchange migration: 2003 to 2007 to 2010

Hi,
Why can I see roadmap in order to do a migration in 2 phases:
2003 to 2007 and 2007 to 2010.
What is the interest instead of 2003 to 2010 directly ?
Thanks
simlipAsked:
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charlespanthCommented:
Hi,

For easy migration from the Exchange 2003 to Exchange 2010 server you have to take care of certain steps like:


1) Administrative Rights
2) Active Directory Permission for the new users creation (if you are creating)
3) While you are migrating or moving through the help of the cmdlet command you should also need to take care of things like Special Identification of each users when you are moving from the existing Exchange to the new Exchange server.
4) Even after migration (Whether it will be using a tool or manually), you need to create every user profile manually and it will ask for the outlook version.
5) You also need to take care of things that whether you are doing cross forest or inter- forest migration. For more you can go to link

Thanks
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AmitIT ArchitectCommented:
If you are not in hurry look for Exchange 2013. Only 2 roles, web based console to manage your server. however till now no migration plans are in place from MS. It might be released soon.

I doubt if MS will provide migration from 2003 to 2013. Might you need to move to 2007 or 2010 first and then to 2013.
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Carol ChisholmCommented:
Exchange 2013 is released. No migration from 2003. So you have to go to 2007 or 2012 first.
Anyway I would not recommend going from 2003 to the very new and very different 2013.

Got to 2010, and perhaps 2013 when service pack 1 is out.
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AkhaterCommented:
there is no upgrade path from 2003 to 2013 the OP will need to pass by 2010 anyway
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