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sthomas76

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Steps Upgrading Server 2003 & Exchange 2003 to Server 2012 & Exchange 2016

We currently have 3 servers.  The 1st one is a 2003 PDC and hosts all of our files.  The 2nd is our 2003 BDC and has Exchange 2003 on it. The 3rd one is our 2003 Server that runs a smtp relay and GFI Mail Essentials.  We are replacing the Exchange Server with one running 2012 and Exchange 2016.  I planned on just using exmerge to export our 60 mailboxes to a pst file.  

I just wanted to ask what is the best way to approach this or see if anyone else did something similar and had any problems.
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Cliff Galiher
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You are in for pain. Exmerge is antiquated and has numerous known issues. You won't get exchange 2016 to install at all until all traces of exchange 2003 are gone. So you'll have to export. Uninstall. Interrupt mail delivery. Install. Try to import. And if anything goes wrong... no way back.

As an aside, pet peeve moment..... there is no such thing as PDC and BDC in 20XX servers. That was NT3/4 era terminology. You'll only add confusion when discussing or searching or asking for help.

If it were me, i'd hire a 3rd party migration service so you don't have the high data risk, unsupported tools, service interruption issues.

Or, alternatively, if you want to (theoretically) save a few bucks, introduce an interim exchange 2010 server so native mailbox moves can be done, which (again, bypasses exmerge, and virtually eliminates data risk and service interruption.

Not that backups should be skimped on during every step regardless.
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sthomas76

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Well do you have to any 3rd party migration service providers that you would recommend?
Given the complexity and lack of modernity you may be better off trying exporting with ExMerge but TEST all exports to confirm they worked successfully) and starting from scratch...   the network is using 13 year old technology.... it's really hard upgrading 13 year old technology.
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Todd Nelson
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Hi,
There are many third party tools which you can use to export. You can get support facility too with these tools. I am just mentioning some Mailbox Export Tool which will be good for work and will be in your budget too.
First download its demo version and try to export some data. If you think that it is good then go for purchasing the license.
1. SysTools Exchange Export (User based license is available)
2. Recovery Tools for Exchange Server

Hope these tools would help you.
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