Open exchange Powershell
Set-MailboxDatabaseCopy -identity {Database_Name\New_Server_Name} -ActivationPreference 1
Confirm:
Get-MailboxDatabase 'Database_Name'|fl server, databaseCopies, activationPreference
Open exchange Powershell
Set-MailboxDatabaseCopy -identity {Database_Name\New_Server_Name} -ActivationPreference 1
Confirm:
Get-MailboxDatabase 'Database_Name'|fl server, databaseCopies, activationPreference