Delete the mailbox Database on Exchange server

Question

Delete the mailbox Database on Exchange server

Dimm Root 20

Hi all.

We need to delete the mailbox Database in Exchange server and we receive this message:

This mailbox database contains one or more mailboxes, mailbox plans, archive mailboxes, public folder mailboxes or arbitration mailboxes. To get a list of all mailboxes in this database, run the command Get-Mailbox -Database Database ID. To get a list of all mailbox plans in this database, run the command Get-MailboxPlan. To get a list of archive mailboxes in this database, run the command Get-Mailbox -Database Database ID -Archive. To get a list of all public folder mailboxes in this database, run the command Get-Mailbox -Database Database ID -PublicFolder. To get a list of all arbitration mailboxes in this database, run the command Get-Mailbox -Database Database ID -Arbitration. To disable a non-arbitration mailbox so that you can delete the mailbox database, run the command Disable-Mailbox Mailbox ID. To disable an archive mailbox so you can delete the mailbox database, run the command Disable-Mailbox Mailbox ID -Archive. To disable a public folder mailbox so that you can delete the mailbox database, run the command Disable-Mailbox Mailbox ID -PublicFolder. Arbitration mailboxes should be moved to another server; to do this, run the command New-MoveRequest Parameters. If this is the last server in the organization, run the command Disable-Mailbox Mailbox ID -Arbitration -DisableLastArbitrationMailboxAllowed to disable the arbitration mailbox. Mailbox plans should be moved to another server; to do this, run the command Set-MailboxPlan MailboxPlan ID -Database Database ID.

CategoryInfo : InvalidOperation: (Database ID :DatabaseIdParameter) [Remove-MailboxDatabase], AssociatedUserMailboxExistException

FullyQualifiedErrorId : [Server= Server,RequestId= RequestId,TimeStamp= TimeStamp ] [FailureCategory=Cmdlet-AssociatedUserMailboxExistException] XXXXXXXX,Microsoft.Exchange.Management.SystemConfigurationTasks.RemoveMailboxDatabase+ PSComputerName : Computer Name

These comandlets not results

Get-Mailbox -Database db

Get-Mailbox -Database db -Monitoring

Get-Mailbox -Database db -Archive

Get-Mailbox -Database db -Arbitration

Get-Mailbox -Database db -AuditLog

Get-Mailbox -Database db -PublicFolder

Any ideas?

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Answer 1

Anonymous

Hello @Dimm Root

Please check the steps in this blog and if you are sure you haven't missed anything you could try deleting the mailbox database using ADSI Edit.

https://www.alitajran.com/cannot-delete-mailbox-database-exchange/

(Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.)

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Dimm Root 20

Сhecked the database through all the cmdlets in the link, no result.

But this cmdlet shows the result

[PS] C:\Windows\system32>Get-MailboxStatistics -Database Mailbox-DB | where {$_.DisconnectReason -ne "null"} | fl


RunspaceId              : 0d6cfa39-fb10-4c73-b575-736796cfe78c
AssociatedItemCount     : 0
DeletedItemCount        : 0
DisconnectDate          :
DisconnectReason        :
DisplayName             : SystemMailbox{ea28bd80-d359-46d3-9a45-67a60cf20021}
ItemCount               : 1
LastLoggedOnUserAccount :
LastLogoffTime          :
LastLogonTime           :
LegacyDN                : /O=MAIL SERVERS GROUP/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/
                          CN=SYSTEMMAILBOX{EA28BD80-D359-46D3-9A45-67A60CF20021}
MailboxGuid             : d2fa801c-3e9c-4906-abf3-3c077aa52016
ObjectClass             : Mailbox, ExOleDbSystemMailbox
StorageLimitStatus      : BelowLimit
TotalDeletedItemSize    : 0 B (0 bytes)
TotalItemSize           : 318 B (318 bytes)
MailboxTableIdentifier  : 8EB-ABCBC5
Database                : Mailbox-DB
ServerName              : mailserver
DatabaseName            : Mailbox-DB
MoveHistory             :
IsQuarantined           : False
IsArchiveMailbox        : False
Identity                : d2fa801c-3e9c-4906-abf3-3c077aa52016
MapiIdentity            : d2fa801c-3e9c-4906-abf3-3c077aa52016
OriginatingServer       : mailserver.domain.local
IsValid                 : True

this system mailbox is available in AD but it is not on the arbitration list

Is there any way to move or delete it?

Anonymous

2023-11-06T08:04:07.4666667+00:00

Hello Dimm as mentioned above have you tried deleting using ADSI Edit?（near the bottom of the content）
Dimm Root 20 Reputation points

2023-11-07T06:28:27.54+00:00

Hello, we wanted to do this as a last resort.

But if there is no other solution, then we will delete it in ADSI
Anonymous

2023-11-08T03:03:25.8+00:00

Hello Dimm

I totally understand. I continued trying more searches but there seemed to be no other way.

If you end up using ADSI as a last resort, before using ADSI to delete, you could make a backup (just in case).

I hope you'll consider accepting the answer and thank you for your time and patience throughout this issue.

Regards

Shaofan

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Delete the mailbox Database on Exchange server

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