Microsoft Exchange 2007 Permantly Delete Mailbox

When you delete a mailbox in Exchange Server 2007 using the Exchange Management Console or the remove-mailbox command in Exchange Management Shell the mailbox remains on the server for a specified period of time.

You can get all the disconected mailboxes by using the following command on Exchange Management Shell:

 Get-MailboxStatistics | where-object { $_.DisconnectDate -ne $null } | Select DisplayName,MailboxGuid

 This command displays the name of the user and the GUID of the mailbox so you can use it in order to delete it.

 To remove a single mailbox you can use the this command:
Remove-Mailbox -Database <Database-Name> -StoreMailboxIdentity <MailboxGuid> -confirm:$false

You can delete all the disconected mailboxes with this command:
Get-MailboxStatistics | where-object { $_.DisconnectDate -ne $null } | Select DisplayName, MailboxGuid, Database | ForEach { Remove-Mailbox -Database $_.Database -StoreMailboxIdentity $_.MailboxGuid -confirm:$false }

 Be very carefull when it comes to permantly removing mailboxes becuase there is no other way to recover but using backup software...

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