Recent releases of Exchange Server are modular applications comprising multiple server roles. Take care to install the Exchange server agent on the correct server!
The number of server roles in Exchange 2013 was reduced to two. These roles are the Mailbox Server role (which includes the Hub Transport service) and the Client Access Server role.
To enable CA Data Protection to monitor and control all communications sent via Exchange 2013, you must install the CA Data Protection Exchange server agent on each Mailbox server.
Note: For maximum security and performance, follow the best practices that you find on the Microsoft Windows Dev Center under "RPC over HTTP Deployment Recommendations". See the Event Report Requirements section in the Archive Integration Guide for details on Exchange and Outlook Import Requirements.
CA Data Protection releases before r14.5 SP1 connected to mailboxes on Exchange Server using RPC. With the architecture changes in Exchange Server 2013, RPC connections are no longer accepted by Exchange Server 2013. You get an error message for a network error or an inaccessible location.
Make all requests to Exchange Server 2013 through RPC over HTTP (ROH). Exchange Server 2013 is no longer identified with its hostname like in earlier versions, but with a unique global identifier, the GUID. Therefore, CA Data Protection utilities need to refer to the Exchange Server 2013 by its Exchange GUID along with its domain name. To address this new architecture, you must provide CA Data Protection utilities with additional details.
These applications have five server roles. For large organizations, the Exchange environment may be highly complex and can contain multiple Active Directory sites, each of which may contain multiple Mailbox servers, one or more Hub Transport servers and Edge Transport servers. Depending on the needs of your organization, you can install a Mailbox server and a Hub Transport server on the same computer or on separate computers.
To enable CA Data Protection to monitor and control all communications sent via Exchange 2007 or 2010, you must install the CA Data Protection Exchange server agent on each Hub Transport or Edge Transport server.
Edge Transport server is an Exchange Server 2010 role for routing Internet email and safeguarding the organization from viruses and spam. You can install the Exchange Server Agent on Edge Transport Server also to enable CA Data Protection control all communications sent via Exchange 2007 or 2010.
When a quarantined mail is released, Quarantine Manager releases the mail to the intended recipient with MIME headers, which contain details of the mail being quarantined. The Hub Transport converts the mail to pure text mail format when sending it to Edge Transport. The server agent on Edge Transport server considers this released mail as a new one and quarantines it again. To prevent repeat quarantine of released mails, configure Hub Transport settings to release mails to Edge Transport in rich text format.
Important! If you install the Exchange Server Agent on Edge Transport server, it processes only the emails leaving the network. You must create a new transport rule and change the LocalMailboxSMTPAddress value to route the reply mail to an external email address. If this change is not done, the reply mails sent by users to the interactive warning message within the network are not delivered by the server agent.
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