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EducadFlag for Australia

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Migration SBS 2003 to Office 365

Hi,

I am planning to perform office 365 migration from SBS 2003. There are only 3 mailboxes which need to be migrated.
each mailbox is about 4GB in size. And there is only one server.

What would be the best way to do the migration? I would not think a cutover migration is good as we have outdated SSL certificate and I am still trying to figure out setting up RPC over HTTP.
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Gareth Gudger
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Would it be okay to use outlook 2003 to export user mail into a PST file as mailbox is larger than 2GB?

And I can import the PST files without using third party software?
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torns tenkristen

Meanwhile, I would refer you on this well described technet blog that seem to be a good start-up to resolve your concern and provides step-wise instructions to achieve this goal in more easier way. Please check this : http://blogs.technet.com/b/canitpro/archive/2013/05/31/step-by-step-migration-of-exchange-2003-server-to-office-365.aspx