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Old 09-21-2011, 05:04 PM   #5
gjigelco
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Join Date: Sep 2011
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Default Re: Upgrading Exchange 2003 to Exchange 2010 w/ BES 4.1.6

Quote:
Originally Posted by knottyrope View Post
Exchange 2010 will send info to the 2003 server if the mail box resides there based on AD.

So really you are not changing the 2003 exchange server from doing what is normal
Is this because BES uses a MAPI call for outgoing messages and then lets Exchange handle how to route it? Just trying to fully understand how the magic happens.
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