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Shrink Mailbox

Chris 656 Reputation points
2021-02-01T16:48:59.577+00:00

Hello all,

we have a mailbox with 2,5GB size.

How can we shrink TotalDeletedItemSize and Attachment Size?

InPlaceHold is disabled and keep DeletedItem is set to 1 day!

RunspaceId : 217be7a-ca8-4f5f-b5d5bf5
MoveHistory :
AssociatedItemCount : 30
DeletedItemCount : 45693
ItemCount : 2925
TotalDeletedItemSize : 31.05 GB (33,338,522,279 bytes)
TotalItemSize : 2.061 GB (2,212,643,749 bytes)
MessageTableTotalSize : 285.4 MB (299,270,144 bytes)
MessageTableAvailableSize : 22.28 MB (23,363,584 bytes)
AttachmentTableTotalSize : 32.97 GB (35,403,792,384 bytes)
AttachmentTableAvailableSize : 12.84 MB (13,467,648 bytes)
OtherTablesTotalSize : 17.38 MB (18,219,008 bytes)
OtherTablesAvailableSize : 1.813 MB (1,900,544 bytes)

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

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Answer accepted by question author

Anonymous
2021-02-02T06:47:01.637+00:00

Hi @Chris ,

The TotalDeletedItemSize refers to the size of items in the Recoverable Items Folder, so you can purge these items following the article provided by michev:

  1. Search-Mailbox -Identity user01 -SearchDumpsterOnly -DeleteContent for mailboxes that aren't placed on hold or don't have single item recovery enabled
  2. If you have enabled litigation hold for this mailbox, please disable it first, and also disable single item recovery. Then use the above cmdlet to delete these items.
    Set-Mailbox user01 -SingleItemRecoveryEnabled $false -LitigationHoldEnabled $false

As for the AttachmentTableTotleSize, according to my research, it could be the space of attachment table reserved for the user. I want to first confirm if you have enabled journaling(in database or journaling rules).

I think you can manage your mailbox size using the Retention policy to delete these items automatically. Retention tags and retention policies in Exchange Server
Or in outlook client, use the Mailbox Cleanup tool.
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I found a related issue: Mailbox database MUCH larger than the content inside of it that may be helpful.

Bests,
Lou

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  1. Vasil Michev 127K Reputation points MVP Volunteer Moderator
    2021-02-01T18:12:12.913+00:00

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