Originally Posted by knottyrope
then the DOC you supplied should work for you, you dont point BES to exchange. You do however need to specify the BESAdmin MAPI pofile which is covered in that doc.
AD tells BES where to look for the users mailbox.
Yup, thats exactly what I'm thinking. The MAPI profile on BESSERVER will be pointing to OLDSERVER, I just need to apply the proper permissions on the new Exchange 2010 server for BESadmin and change the MAPI profile to NEWSERVER.