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I am trying to install the CAS, but i'm getting an error saying that there is no OAB, but if I open the ESM an OAB is present, but if i try to update it I ger an error saying that the Exchange Server was not found and if i try to create a new OAB, when I browse for an Echange Server there none listed.<br />
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Can I do a repair install for Exchange 2007, if so how.
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I am trying to install the CAS, but i'm getting an error saying that there is no OAB, but if I open the ESM an OAB is present, but if i try to update it I ger an error saying that the Exchange Server was not found and if i try to create a new OAB, when I browse for an Echange Server there none listed.

Can I do a repair install for Exchange 2007, if so how.

Exchange Repair

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.