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Practical 365

Using Activation Policies to Prevent Database Copies Mounting in Other Sites

June 16, 2016 by Paul Cunningham 28 Comments

How to use activation policies for Exchange Server database availability groups to control where database copies can automatically mount.

Exchange Server DAG, Database Availability Group, Exchange 2010, Exchange 2013, Exchange 2016, Exchange Server, Site Resilience

Exchange Best Practices: Datacenter Activation Coordination Mode

March 31, 2016 by Paul Cunningham 26 Comments

It is recommended to enable Datacenter Activation Coordination (DAC) mode for Exchange database availability groups that meet the criteria.

Exchange Server Best Practices, DAGs, Database Availability Group, Exchange 2010, Exchange 2013, Exchange 2016, HA, High Availability, Site Resilience

Exchange Server 2013 High Availability Q&A Recording Now Available

December 17, 2014 by Paul Cunningham 1 Comment

The recording of the Exchange Server 2013 High Availability Q&A session with Paul Cunningham, Michael Van Horenbeeck and Steve Goodman is now available.

Exchange Server Exchange 2013, High Availability, Lagged Copies, Podcasts, Site Resilience

Datacenter Activation Coordination Mode

November 26, 2014 by Paul Cunningham 29 Comments

An overview of Datacenter Activation Coordination Mode and how it prevents split brain conditions in Exchange Server database availability groups.

Exchange Server DAGs, Exchange 2013, High Availability, Site Resilience

Exchange Server 2013 Database Availability Groups

January 16, 2013 by Paul Cunningham 117 Comments

In this series of articles we will walk through an overview of Database Availability Group concepts, demonstrate how to deploy a new Database Availability Group, and explore some of the operational tasks associated with running and maintaining a DAG.

Exchange Server DAG, Database Availability Groups, Exchange 2013, High Availability, Mailbox Server, Site Resilience

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