How to Remove Exchange 2013 Default Databases

•  Move your Mailboxes
• Move your Public Folder Mailboxes
• Move you Monitoring Mailboxes
• Move your Arbitration Mailboxes

Then you are good to Delete the Default Database

 To Check for Mailboxes –

Get-mailbox –Database "DatabaseName"

To move Mailboxes to Different Database

Get-mailbox –Database "DatabaseName" | New-moverequest –TargetDatabase "Target Database"

 To Check for Public Folder Mailboxes –

Get-Mailbox -Database "DatabaseName" –PublicFolder

To move Mailboxes to Different Database

Get-Mailbox -Database "DatabaseName" –PublicFolder | New-moverequest –TargetDatabase "Target Database"

 To Check for monitoring mailboxes –

Get-Mailbox -Database "DatabaseName" –Monitoring

To move Mailboxes to Different Database

Get-Mailbox -Database "DatabaseName" –Monitoring | New-moverequest –TargetDatabase "Target Database"

 To Check for arbitration mailboxes –

Get-Mailbox -Database "DatabaseName" –Arbitration

To move Mailboxes to Different Database

Get-Mailbox -Database "DatabaseName" –Arbitration | New-moverequest –TargetDatabase "Target Database"

Now Check all move request status

Get-MoveRequest | Get-MoveRequestStatistics

Now Remove all Move requests once completed.

Get-moverequest | remove-moverequest

Now remove the Database

Get-MailboxDatabase “DatabaseName” | Remove-MailboxDatabase