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Major Difference - Previously with Exchange 2003/2007, Outlook clients directly connect to back-end/Mailbox server for MAPI communications. With Exchange 2010, Outlook client directly connects Client Access Server. This makes very much sense as Client Access Server can easily route traffic to appropriate mailbox server.<br />
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Cheers<br />
Shaba
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Major Difference - Previously with Exchange 2003/2007, Outlook clients directly connect to back-end/Mailbox server for MAPI communications. With Exchange 2010, Outlook client directly connects Client Access Server. This makes very much sense as Client Access Server can easily route traffic to appropriate mailbox server.

Cheers
Shaba

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I am studying for my Exchange 2010 certification and worked with Exchange 2010 Implemntation last year. I slightly remember there is something different in the way CAS acceses the mailbox server in 2010 than 2007. Can someone help me with this?
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I am studying for my Exchange 2010 certification and worked with Exchange 2010 Implemntation last year. I slightly remember there is something different in the way CAS acceses the mailbox server in 2010 than 2007. Can someone help me with this?

Questopn about Exchange 2010 CAS.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.