How to perform a manual database switchover in an Exchange Server 2013 database availability group.
Exchange 2007/2010: How to Clone a Mailbox Database Configuration
Here is an Exchange Management Shell technique you can use to clone the settings from one mailbox database to another, or to a whole mailbox server.
Why Is My Exchange 2010 Mailbox Database Growing So Big?
After migrating to Exchange Server 2010 some customers are now wondering why their mailbox databases are growing much bigger and much faster.