• Recommended Hotfixes for Windows Server 2012 Failover Clusters

    Today, Microsoft released Knowledge Base article 2784261 , which describes the hotfixes we recommend being installed on all Windows Server 2012 failover clusters.  This includes Exchange database availability groups that are running on Windows Server...
  • Witness Server Warning Message When Using Certain Database Availability Group Tasks

    Recently, some customers reported that when they create a DAG, they get a warning message that states the following: The Exchange Trusted Subsystem is not a member of the local Administrators group on specified witness server <ServerName>. In these...
  • New Managed Availability Documentation Available

    Ensuring that users have a good email experience has always been the primary objective for messaging system administrators. To help ensure the availability and reliability of your messaging system, all aspects of the system must be actively monitored...
  • Using a Passive Node as an SCR Target

    As with local continuous replication (LCR) and cluster continuous replication (CCR), standby continuous replication (SCR) in Exchange 2007 Service Pack 1 uses the concept of storage group copies. Because SCR introduces the ability to have multiple copies...
  • Exchange 2007 - Continuous Replication Architecture and Behavior

    I've previously blogged about the two forms of continuous replication that are built into Exchange 2007: Local Continuous Replication (LCR) and Cluster Continuous Replication (CCR). In those blogcasts, you can see replication at work, but we really don...