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Orphaned Mailbox After Exchange Upgrade

Posted on 2004-04-05
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Last Modified: 2007-12-19
I upgraded from Exchange 5.5 to 2000 SP3 over the weekend on a single Windows 2000 server. All but one mailbox transfered over just fine. The one that will not is still there, it's visible in the folder list, but the user cannot log onto it, the receive permission denied popup. It shows that the box was logged onto by the Administrator (me or server) at 4:00 am this morning, though I was not here. Is there any way to assign the permissions to this particular mailbox to her account? If I create a new mailbox with the same name, it just creates another mailbox, it does not access the existing one. I have a pre-upgrade backup of all mailboxes, can I restore it to the new mailbox being created?

Help!
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Question by:joelrob
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Expert Comment

by:OneHump
ID: 10758222
Try using exmerge to extract the data from that mailbox into a PST and import it into a new one.

XADM: Microsoft Exchange Mailbox Merge Program (Exmerge.exe) Information
http://support.microsoft.com/default.aspx?scid=kb;EN-US;174197

OneHump

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Author Comment

by:joelrob
ID: 10758413
exmerge does not list the mailbox. The only place I can see the mailbox is in System Manager, under Servers > SERVERNAME > First Storage Group > Private Information Store > Mailboxes.

There's no red X beside it, so Cleanup Agent won't let me at it either.
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Expert Comment

by:OneHump
ID: 10758595
Wow, that very strange. Even disconnected mailboxes show up in exmerge.  If you look at the supposed attached account's attributes in ADSIEdit, do you see values for:

msExchHomeServerName
msExchMailboxGuid
msExchMasterAccountSid


OneHump
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Author Comment

by:joelrob
ID: 10758705
That's just it, I don't know what account Exchange is saying owns this mailbox. It says that Administrator has logged onto it, but Administrator has it's own mailbox, so it doesn't own this one too. But just to be sure I checked the Administrator account, it only has one mailbox, Administrator, not USERNAME.

Is it possible this mailbox never transfered over from the 5.5 location? Is there a way to find out the GUID of the orphaned mailbox and manually set the new account?
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Expert Comment

by:OneHump
ID: 10758850
I don't know about finding the GUID.  It might be possible with MDBView, but that's a bit of a pain.

Are those attributes blank then for that user object?

OneHump
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Author Comment

by:joelrob
ID: 10758881
No, I went ahead and enabled a temporary mailbox for her, so those attributes point to that mailbox now. If I find a way to access her old files I will have to export one (the old or the new) into a .pst file and bring it into the other.

I have the backup, but of course that was made before the upgrade, so they're all 5.5 files on the tape. Is there a way to restore those to another location and create a .pst file from there?
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Accepted Solution

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OneHump earned 500 total points
ID: 10759746
You can definately do an offline restore.  This would be much easier with E2K3.  Doing this is simple.  You build a new Exchange 2000 server with a different name, in a different forest, restore your backup there and run mbconn.  I'm just trying to think of a way to get rid of that mailbox.  

You might try temporarily disconnecting the affected user's mailbox for now.  Then run MBCONN and see if it will reconnec the old one.  Somehow, I think that mailbox is corrupt and might require isinteg or mdbview for a fix.

Check this out

Mailboxes Not Accessible After Upgrade to Exchange 2000 <--- doesnt seem very helpful, does it?
http://support.microsoft.com/default.aspx?scid=kb;EN-US;288840

HOW TO: Recover or Restore a Single Mailbox in Exchange 2000 Server
http://support.microsoft.com/default.aspx?scid=kb;en-us;813337

White Paper - Mailbox Recovery for Microsoft Exchange 2000 Server
http://support.microsoft.com/default.aspx?scid=kb;en-us;326278

XADM: How to Use the Mbconn Utility to Generate Active Directory Accounts for Information Store Mailboxes
http://support.microsoft.com/default.aspx?scid=kb;en-us;271886


OneHump
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Author Comment

by:joelrob
ID: 10782936
I went through most of these tips and no effect. Most of them depend on there being a red X beside it in the Information Store. I don't know what happened, but this morning I came in and checked it and today there was a red X. I disconnected the user from the temporary mailbox, connected them to the old one and it came up fine.

I appreciate the time you spent helping out with this.
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Expert Comment

by:OneHump
ID: 10784758
Interesting.  It looks like cleanup is stuck.  You may want to test disconnecting a mailbox to see if cleanup runs within 5 minutes or so to make sure you don't have a problem there.

I'm glad you are fixed.

OneHump
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