Hi all,
we are planning a migration for our Exchange environment from Exchange 2003 sp2 to Exchange 2010 sp1.
The new Exchange scenario will use the same BES servers actually in production environment.
The new mail infrastructure will be in the same domain of the actual infrastructure but not on Windows 2003 sp2 but on Windows 2008 R2 sp1.
Our actuall BES environment is based on BES 5.0.2 version.
Which operations we will have to do on BES environment to adapt it to the new Exchange infrastructure ?
Thanks

follow this KB
KB22601-How to migrate from Microsoft Exchange Server 2003 or 2007 to Microsoft Exchange Server 2010 in a BlackBerry Enterprise Server 5.0 environment

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Torch 9800 on BES 4.1.6 MR7, Exchange 2003, SQL 2005.
WES 2009-2010 Survivor

thanks