Keeping up to date with what’s happening with Set-MailboxDatabase II

Tony Redmond is absolutely correct when he says “No matter how long you work with software, it’s impossible to master every possible detail, especially when you’re talking about a complex product like Exchange 2013.”  With the pace of innovation faster today than ever before, and even faster tomorrow, it can be difficult to stay on…

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Windows Server 2012 R2 and Database Availability Groups

Exchange Server 2013 Service Pack 1 (SP1) has released, and among other features and improvements, SP1 includes support for Windows Server 2012 R2. This means that a database availability group (DAG) running Exchange 2013 SP1 on Windows Server 2012 R2 automatically takes advantage of the improvements in and changes to Windows Failover Clustering (WFC) in…

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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 2012, as well. Although these hotfixes are generally recommended for all customers, we recommend that you evaluate each fix to determine…

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High Availability Changes in Exchange Server 2013 Cumulative Update 1

Exchange Server 2013 Cumulative Update 1 (CU1) has been released and is now available for download!  CU1 is the first release to use the servicing model introduced with Exchange 2013.  CU1 includes new features, new functionality and bug fixes, including in the area of high availability.  The announcement post on the Exchange Team Blog already…

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Storage, High Availability and Site Resilience in Exchange Server 2013, Part 3

Microsoft Exchange Server 2013 continues to innovate in the areas of storage, high availability, and site resilience. In this three-part blog series, I’ll describe the significant improvements in Exchange 2013 related to these three areas. Part 1 focuses on the storage improvements that we’ve made. Part 2 focuses on high availability. And Part 3 will…

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Storage, High Availability and Site Resilience in Exchange Server 2013, Part 2

Microsoft Exchange Server 2013 continues to innovate in the areas of storage, high availability, and site resilience. In this three-part blog series, I’ll describe the significant improvements in Exchange 2013 related to these three areas. Part 1 focuses on the storage improvements that we’ve made. Part 2 focuses on high availability. And Part 3 will…

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Storage, High Availability and Site Resilience in Exchange Server 2013, Part 1

Microsoft Exchange Server 2013 continues to innovate in the areas of storage, high availability, and site resilience.  In this three-part blog series, I’ll describe the improvements in Exchange 2013 related to these three areas. Part 1 focuses on the storage improvements that we’ve made.  Part 2 will focus on high availability.  And part 3 will…

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Understanding Internet Database Availability Groups

The high availability and site resilience platform built into Exchange 2010 provides automatic recovery from storage, network and server and other failures that affect active mailbox database copies. In addition, it provides manual recovery from failures affecting an entire site or datacenter. Customers have asked for, and many have tried desperately to create, an Exchange…

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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 cases, the customer’s intended witness server was not an Exchange 2010 server.  As documented in TechNet,…

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