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Exchange 2010 mailbox missing emails

Posted on 2010-11-08
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Last Modified: 2012-05-10
Hi all,


I have a user in Exchange that said she had lost her emails all of a sudden.  i checked on her Exchange 2010 account, and found that i had once mistyped her Alias, so she had 2 email address show in the "email addresses" tab.  (other people have one)

I think that might be the reason why, because her old messages was stored in a different email.  I may be wrong, but I couldn't think of another reason why she would lost her emails.  

So, i want to see, if there is any way to read the exchange's email DB on server?  can I actually see the what email boxes are in the DB, the messages within those boxes.  And also, if I can merge them together if it really happens to be what I predicted?

thanks all
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Question by:wingkchan
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Postmaster earned 500 total points
ID: 34089944
Having more than one SMTP on a mailbox is not a problem - it just gives more than one way to address mai lto that mailbox.
More likely, she may have synced a PDA (or phone) or even used a new PC recently.
On some versions of Outlook, if you got the mail server name wrong in the wizard, it created the profile as PST based and "stole" the mail from the mailbox - moving it to the local PST file.

Check each PC she has used for a PST file the matches the date when mail was lost.

Another thing to check is deleted-item-retention. If you have it enabled on the database, you can recover hard-deleted (shift delete) items and even itmes deleted from the mailbox after moving to PST.
Google 'DumpsterAlwaysOn' to locate the Reg key you must enable on the Outlook PC to use this feature on all Ouotlook folders - ie Inbox, Calendar, Sent Items...

If the local PST file is the issue -then ALL mail will have gone.
If a sync or delete action was the problem, most likely just the INBOX data went missing.
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by:wingkchan
ID: 34090207
Thanks Postmaster,  I see... so the SMTP is not the reason for missing email.  The user uses the OWA (web version) to login to check email, because she is only a part-time worker, and she doesn't have her own working station.  so, there is not .pst file involved in her case.  I supposed synchronizing is not the reason too, because in Exchange we have disabled all other features except OWA & MAPI.  (POP3, IMAP, Active Sync...etc) were not allowed

it's not .pst, and it's not sync.... I am not sure if she had accidentally deleted it.  but, those emails were not in Recycle Bin.  yet... owa doesn't have CTRL + A ... so i guess they were gone because of permanent delete.... it just gets me.  thanks for your advices
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by:wingkchan
ID: 34280687
thanks postmaster for your input.  I couldn't find the reason of why her emails were gone... but I need to close this question, otherwise EE may make it for abandon soon.  thank you  though
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