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Practical 365

Exchange Server 2013 Lagged Database Copies In Action

November 6, 2014 by Paul Cunningham 28 Comments

How to configure lagged database copies for Exchange Server 2013 DAGs, and use lagged copies for database recovery scenarios.

Exchange Server DAG, Database Availability Groups, Disaster Recovery, Exchange 2013, High Availability, Lagged Copies, Mailbox Server, Recovery Database

Exchange Server 2013 Autoreseed in Action

October 9, 2014 by Paul Cunningham 35 Comments

A demonstration of the underlying configuration for Exchange Server 2013 Autoreseed, and the Autoreseed workflow to recover from a disk failure.

Exchange Server Autoreseed, DAG, Database Availability Group, Exchange 2013, High Availability, Mailbox

Important Update for Database Crashes in an Exchange Server 2013 Cumulative Update 6 and Exchange Server 2007 Co-Existence Environment

September 1, 2014 by Paul Cunningham 1 Comment

A hotfix is available for Exchange 2013 CU6 database crashes/failovers in Exchange 2007 co-existence environments.

Exchange Server Bugs, Cumulative Updates, DAG, Database Availability Group, Exchange 2007, Exchange 2013, Hotfix, Updates

Test-ExchangeServerHealth.ps1 v1.09 is Now Available

July 7, 2014 by Paul Cunningham 22 Comments

Version 1.09 of Test-ExchangeServerHealth.ps1 is now available, fixing a bug in the use of Test-ReplicationHealth for mixed Exchange 2010/2013 organizations.

Exchange Server DAG, Database Availability Group, Exchange 2010, Exchange 2013, PowerShell, Replication, Scripts

Exchange Server 2010 to 2013 Migration – Configuring Mailbox Servers

June 27, 2014 by Paul Cunningham 1 Comment

Configuring the Exchange 2013 Mailbox servers during a migration from Exchange Server 2010.

Exchange Server DAG, Database Availability Group, Deployment, Exchange 2013, Mailbox, Migration, Upgrade

Error "Some or All Identity References Could Not Be Translated" When Adding Members to Exchange Server 2013 Database Availability Group

May 17, 2014 by Paul Cunningham 6 Comments

While adding Exchange Server 2013 DAG members an error “Some or All Identity References Could Not Be Translated” occurs.

Exchange Server DAG, Database Availability Group, Exchange 2013

Why Did My Database Failover to the Wrong Server?

May 5, 2014 by Paul Cunningham 9 Comments

Ever wondered why your Exchange Server databases didn’t failover in order of activation preference?

Exchange Server Best Copy Selection, DAG, Database Availability Group, Exchange 2010, Exchange 2013, High Availability

Cannot Activate Database Copy: Content Index Catalog Files in Failed State

November 9, 2013 by Paul Cunningham 77 Comments

When activating a database copy in an Exchange Server 2010 Database Availability Group it may fail with an error message that catalog index files are in a failed state.

Exchange Server DAG, Exchange 2010, Mailbox Database

Why Bother Running DAG Server Maintenance Mode Scripts?

October 7, 2013 by Paul Cunningham 14 Comments

Answering a reader question on whether the DAG server maintenance scripts are really necessary when performing maintenance or installing updates on database availability group members.

Exchange Server DAG, Database Availability Group, Exchange 2010, Exchange 2013, Exchange 2016, FAQ

How to Reseed a Failed Database Copy in Exchange Server 2013

July 22, 2013 by Paul Cunningham 39 Comments

How to use the Exchange 2013 management tools to reseed a failed database copy in a database availability group.

Exchange Server DAG, Database Availability Group, Exchange 2013, Mailbox Database, PowerShell, Scripts

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