Client Access Server arrays
Because CAS servers now provide the endpoint for MAPI and all other client protocols, it is even more important to provide a resilient capability for client connectivity to CAS servers. As we know, mailbox databases are assigned pointers to CAS servers. This works well until the CAS server assigned to a mailbox database is offline. If the CAS server doesn’t come online again quickly, clients will not be able to connect to their mailboxes. This is always an issue when a service depends on a single server. Exchange 2010 introduces a new solution by allowing you to create an array of CAS servers that are linked together by a single network name and IP address that can then be assigned to a mailbox database. Instead of ...
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