Deleted items on Deleted Items folder are not shown

exchange-2010outlook-2010

When I run this cmdlet, I get the following result:

Get-MailboxFolderStatistics user | ft FolderPath, FolderSize -autosize

FolderPath                    FolderSize
----------                    ----------
/Top of Information Store     156 B (156 bytes)  
/Calendar                     244.2 KB (250,025 bytes)  
/Contacts                     1.223 MB (1,282,252 bytes)  
/Contacts/SenderPhotoContacts 30.41 KB (31,139 bytes)  
/Conversation Action Settings 0 B (0 bytes)  
/Conversation History         206.2 KB (211,147 bytes)  
/Deleted Items                1.449 MB (1,519,602 bytes)  
/Drafts                       472 B (472 bytes)  
/Inbox                        618 MB (648,025,798 bytes)  
/Journal                      144 B (144 bytes)  
/Junk E-Mail                  131.9 KB (135,089 bytes)  
/News Feed                    0 B (0 bytes)  
/Notes                        1.847 KB (1,891 bytes)  
/Outbox                       0 B (0 bytes)  
/Quick Step Settings          0 B (0 bytes)  
/RSS Feeds                    0 B (0 bytes)  
/Sent Items                   6.754 KB (6,916 bytes)  
/Suggested Contacts           9.316 KB (9,540 bytes)  
/Sync Issues                  0 B (0 bytes)  
/Sync Issues/Conflicts        0 B (0 bytes)  
/Sync Issues/Local Failures   0 B (0 bytes)  
/Sync Issues/Server Failures  0 B (0 bytes)  
/Tasks                        7.994 KB (8,186 bytes)  
/Recoverable Items            12.16 MB (12,748,519 bytes)  
/Deletions                    0 B (0 bytes)  
/Purges                       0 B (0 bytes)  
/Versions                     0 B (0 bytes)

But when I open the mailbox using both Outlook and OWA, the deleted items folder is empty.
I'm guessing it's corrupted or something like that. Is it possible to recover it somehow?

Thanks.

Best Answer

Does Get-MailboxStatistics user | ft DeletedItemCount, TotalDeletedItemSize show you anything different (just out of curiosity really)?

As for reasons why you get this output, I have found there is a slight delay on the Get-MailboxStatistics and Get-MailboxFolderStatistics cmdlets so they might show stale data for a few minutes, but I am assuming because you've asked here that it's been longer than a few minutes.

Logical mailbox corruption is certainly possible, and Exchange provides a cmdlet to run a check on a mailbox. When you run this command it will disrupt the mailbox, so either do it while the user is not around or let them know their mailbox will be offline for a while.

Issue the command New-MailboxRepairRequest -Mailbox user -CorruptionType SearchFolder,AggregateCounts,ProvisionedFolder,FolderView -DetectOnly to run a check for logical mailbox corruption. If the cmdlet reports corruption, you can take out the -DetectOnly parameter to actually perform a mailbox repair. Please note that this is potentially a destructive operation (i.e it may delete items which are corrupted) so for good measures, you should always have a known good mailbox database backup handy just in case.

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