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


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.

Why Bother Running DAG Server Maintenance Mode Scripts?


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 2013: Using Test-ReplicationHealth to Test Database Availability Group Members


How to use the Test-ReplicationHealth PowerShell cmdlet to test the database replication health for Exchange 2013 Database Availability Group members.

How to Reseed a Failed Database Copy in Exchange Server 2013


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

How to Remove a DAG Member in Exchange Server 2013


The step by step process for how to remove an Exchange 2013 Mailbox server from a Database Availability Group.

MSExchangeRepl Error: “The process cannot access the file because it is being used by another process.”


An Exchange database may failover when the Exchange replication service is unable to access a transaction log file that is in use by another process.

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