Is Exchange 2007 necessary when migrating to Exchange 2010 from 2003?

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S Michael Momjian

I keep hearing that it's a good idea to introduce an Exchange 2007 in an Exchange 2003 org before migrating to Exchange 2010. Can anyone shed some light on this subject? Why is introducing an Exchange 2007 is good idea? We are migrating from 2003 to 2010. An we see plans to use 2007. Can anyone explain? Infrastructure Architect

Alexei Segundo

I can't think of any real benefit in introducting Exchange 2007 if you currently have only 2003.


Gulab Mallah

It's not neccessary at all to have Exchange 2007, hence don't panic you can start your migration directly from 2003 to 2010.


Troy Werelius

There really is no value in having the 2007 server involved. True that IF the users were on 2007 you could do an online mailbox migration but so what you would have to first migrate the mailboxes offline from 2003 to 2007 and then from 2007 to 2010 so no I don't see any value in putting a 2007 server in place, doing so will just make it more complicated and take more time. 2003 --> 2010 works fine as is Troy Werelius

Steve Goodman

Agreed, unless you can see any reason you need an Exchange 2007 server at some point then there is no point.


Steve Goodman
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