Exchange 2010 Database Availability Group Installation
Thanks Paul Cunningham Microsoft Exchange Server 2010 introduced a new high availability feature called the Database Availability Group (DAG). This tutorial describes how Database Availability Groups work in Exchange Server 2010, as well as demonstrating the steps for deploying a DAG using Exchange Server 2010 SP1 and Windows Server 2008 R2. Exchange Server 2010 Database Availability Group Overview A Database Availability Group is a group of up to 16 Exchange Server 2010 servers that are installed with the Mailbox server role . Each server that is a member of the DAG is capable of hosting active or passive copies of mailbox databases that reside on servers in the group. For example, a Database Availability Group may consist of three Exchange Server 2010 Mailbox servers, each configured with a single Mailbox database. Each server that is a member of the DAG can host either an active or passive copy of each of the three total mailbox databases. Exchange Serve