How to forcefully delete all the disconnected mailboxes at one go \ batch by batch.

Hi

I have 100 of users who have left our organisation in the past and their mailboxes has not been deleted.
Now I have deleted their mailboxes and lists all the deleted mailbox with their Display names and MailboxGuid , when I give the following command.

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

I know how to forcefully delete the mailbox by entering the following command and putting the relevant MailboxGuid one by one. It  will take lot of time if I go on this method.

[PS] C:\Windows\system32>Remove-Mailbox -Database "Mailbox Database" -StoreMailboxIdentity "a31fb8b5-14ee-4509-834e-409d2ea3fe38" -confirm:$true

Confirm
Are you sure you want to perform this action?
Removing store mailbox "a31fb8b5-14ee-4509-834e-409d2ea3fe38" on database
"Exchange.domain.local\Mailbox Database".
[Y] Yes  [A] Yes to All  [N] No  [L] No to All  [S] Suspend  [?] Help
(default is "Y"):y
[PS] C:\Windows\system32>

Is there a easy way of forcefully deleting the  disconnected mailboxes at one go.

Any help will be great.

Thanks
lianne143Asked:
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Muhammad BurhanManager I.T.Commented:
please giva a try with RemDisMB.ps1
$disabledmailboxes = @()
$disabledmailboxes = Get-MailboxStatistics -Database <mailboxDatabaseName> | where {$_.DisconnectReason -eq "Disabled"}

foreach ($mailbox in $disabledmailboxes) {
#define variables
$strIdentity = $mailbox.DisplayName
$strDatabase = $mailbox.database
$strState = $mailbox.DisconnectReason

Remove-StoreMailbox -Database $strDatabase -Identity $strIdentity -MailboxState $strState}

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AmitIT ArchitectCommented:
Easy way is to decrease the delete mailbox retention period at db level. Rest Exchange will take care for you, no need to run any script or do anything manually, once you reduce deleted mailbox retention policy.
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