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Practical 365

Is a Domain Controller Required When Using Azure to Host the File Share Witness for a Database Availability Group?

October 19, 2016 by Paul Cunningham 3 Comments

What are the domain controller requirements when using Azure to host the file share witness for an Exchange 2013 or 2016 database availability group?

Exchange Server Azure, DAG, Database Availability Group, Exchange 2013, Exchange 2016

Recovering a Failed Exchange 2016 Database Availability Group Member

June 23, 2016 by Paul Cunningham 26 Comments

How to recover a failed Exchange Server 2016 database availability group member.

Exchange Server DAG, Database Availability Group, Exchange 2016, Recovery

Using Test-ReplicationHealth to Troubleshoot Database Availability Groups

June 21, 2016 by Paul Cunningham 12 Comments

How to use the Test-ReplicationHealth PowerShell cmdlet to test the database replication health for Exchange Database Availability Group members.

Exchange Server DAG, Database Availability Group, Exchange 2013, PowerShell, Test-ReplicationHealth

New DAG Activation Preference Behavior in Exchange 2016 CU2 is Good News for Some

June 17, 2016 by Paul Cunningham 11 Comments

Exchange 2016 CU2 changes the behavior of database availability groups by introducing automatic rebalancing of database copies by activation preference.

Exchange Server Activation Preference, DAG, Database Availability Group, Exchange 2016

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

Server Component States During Cumulative Update Installation

June 9, 2016 by Paul Cunningham 2 Comments

How Server Component State for Exchange 2013 and 2016 servers can leave your server non-functional after a cumulative update.

Exchange Server DAG, Database Availability Group, Exchange 2013, Exchange 2016, Managed Availability

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

Installing an Exchange Server 2016 Database Availability Group

November 17, 2015 by Paul Cunningham 60 Comments

A step by step tutorial for installing a new Exchange Server 2016 database availability group with two DAG members.

Exchange Server DAG, Database Availability Group, Exchange 2016, High Availability

Are Lagged Database Copies a Waste of Time?

November 17, 2014 by Paul Cunningham 18 Comments

Are lagged database copies in Exchange Server 2013 a useful feature or a waste of time and storage?

Exchange Server DAGs, Database Availability Group, Databases, Disaster Recovery, Exchange 2013, High Availability, Lagged Copies, Mailbox Server

PowerShell Tip: List Active Mailbox Database Copies for an Exchange Server Database Availability Group

October 15, 2014 by Paul Cunningham 14 Comments

How to use PowerShell to list details of the active mailbox database copies in an Exchange Server database availability group.

Exchange Server DAGs, Database Availability Group, Exchange 2013, PowerShell

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