Where should an Exchange server be?

We have an Exchange 2000 running at Windows 2000 server edition and we are planning to move to to an Exchange 2007 running at Windows 2003.The current server is in a DMZ for security reasons,but we are thinking to move the new server inside our domain along with our domain controllers etc.Which is the intended place for an Exchange server?
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Brian PiercePhotographerCommented:
Ideally - a front end sever in your DMZ and a backend server inside the domain - see http://technet.microsoft.com/en-us/library/aa996980(EXCHG.65).aspx for a guide.

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When transitioning to Exchange 2007, you cannot perform an in-place server upgrade on an existing Exchange server. Instead, you must install a new Exchange 2007 server into the existing organization, and then move data to the new Exchange 2007 server.  The migration process includes installing a completely new Exchange 2007 organization, and then migrating mailboxes from the old messaging system to the new Exchange 2007 messaging system, using various tools for migration.
You can find more here: http://technet.microsoft.com/en-us/library/bb124008(EXCHG.80).aspx

Good luck

PesmergaAuthor Commented:
Thank you.
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>>Ideally - a front end sever in your DMZ and a backend server inside the domain

I couldn't disagree more.

Exchange servers DO NOT go in the DMZ.  You need to swiss cheese your firewall rules, and now have a domain member exposed to the world.

Do it properly, put it on the LAN.  If you want something in the DMZ, that is what ISA is for.
Brian PiercePhotographerCommented:
ISA Sever in the DMZ is one solution, a front end server in the DMZ is also quite accecptable - see http://technet.microsoft.com/en-us/library/aa996948(EXCHG.65).aspx
>>a front end server in the DMZ is also quite accecptable

I know that the article says it is possible, but I know of no Exchange MVPs (or Exchange professionals in general) that actually recommend it.
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