This section provides complete management of exchange servers and exchange related operations. From, viewing all the existing exchange organizations to managing, mailboxes, distribution lists, mail contacts, mail domains, resource mailboxes, public folders and journal rules is offered under this section. For further assistance regarding Exchange, refer to the sub sections.

An Organizational Unit (OU) is a segregated container within Microsoft Active Directory. As containers, OUs can contain other sub-OUs and therefore provide hierarchy to an Active Directory domain. A multi-tenant Exchange deployment essentially implies a deployment capable of handling multiple organizations or tenants that do not share e-mail, data, users, global address lists, public folders etc. In order to achieve multi-tenancy therefore Hosting Controller utilizes the Inherent ability of OUs to provide segregation. Exchange Organizations here imply Organizational Units (OUs).  

To manage Exchange organizations, go to Provisioning >> Exchange.