Check out the following 'How To' Videos.

How to Remove an Exchange Server from Enterprise Vault
Take a look at this video based on article TECH50256.

Enterprise Vault Exchange 2013 OWA Support (Introduction)
Take a look at this video.

Enterprise Vault Exchange 2013 OWA Support (User Actions)
Take a look at this video.

Enterprise Vault Exchange 2013 OWA Support (Deployment)
Take a look at this video.

Enterprise Vault Exchange 2013 OWA Support (Troubleshooting)
Take a look at this video.

How to Move an Enterprise Vault Archived Enabled Mailbox from one Exchange Server to Another
Take a look at this video based on article TECH48928.

How to Move the Enterprise Vault SQL Databases To Another SQL Server
Take a look at this video based on article TECH35744.

How To Move a Vault Store Partition or Vault Store
Take a look at this video based on article TECH35742.

How to Back Up Enterprise Vault
If using a SQL Backup Tool (i.e. Backup Exec or NetBackup)

Select one of the videos to configure backup mode.

• Configuring backup mode with the Vault Admin Console
• Configuring backup mode using the PowerShell cmdlets in backup scripts
• Configuring backup mode using cmdlets

For EV environments where there is not backup software that utilizes a ‘SQL Agent’ to perform a logical backup of the SQL databases, review the SQL Server Maintenance Plan video. 

• SQL Server Maintenance Plan