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Users inbox sub folders are missing after migration from Exchange 2003 to 2010

I have moved some users from exchange 2003 to 2010 and out of 50 users so far i have moved,2 users are complaining that they  have lost their folders.
They created these folders under their Outlook inbox and now the folders are gone.
Were these folders local to the pc? and how do I check? If they should still be on the server how do I get them back?
They are running Windows 7 and Office 2010. Prior to the upgrade they were running Windows XP Pro and Office 2003.
What can we do?
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1 Solution
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Were these folders local to the pc? - if they were local they would be in a PST format and did you re-create the Profile or what ?

If they should still be on the server how do I get them back? - Can you see them using OWA ? Ideally nothing as such is removed so i guess its a PST but if not then you will have to restore from the backup before migration to a RSG in Exchange 2003 and extract the data to a PST.

They are running Windows 7 and Office 2010. Prior to the upgrade they were running Windows XP Pro and Office 2003 - So is this a different PC all together or a Upgrade ?

If you Upgraded the machine did you backup the Data on the OS or other drives ? If not than do we have some backup of that ? -- hope you know were are we going !!

- Rancy
You don’t have to worry. The problem is not new and occurs in many conditions. Well, you don’t need to worry. The following link covers all aspects of the migration process Exchange 2003 to 2010 Transition "Swing Migration", You might find your answer here.

When a client connects to Exchange Server 2010, it actually connects to the Exchange Server 2010 Client Access Server and if the mailbox is still on the Exchange Server 2003 Mailbox Server then the client is redirected to the Exchange Server 2003 front-end server. If you not able to find the folders, then chances are high that they have got corrupted. You can use exchange server recovery utility to fix the corruption.

Nevertheless, the next time you look to perform similar kind of migration, then just go for specialized tool meant for such operation. You may not face such issues. You can perform same thing or may even restore lost files and folders:
Jon BrelieSystem ArchitectCommented:
I have encountered this phenomenon with a few users here before.  Rancy is right, you should check to see if they are accessible via OWA.  If so, I would export the entire mailbox to a PST, and check the contents of the file.  If everything looks good, remove the user's mailbox, create a new one, and re-import from the PST file.  This has resolved the issue for a few other users here.
Jon BrelieSystem ArchitectCommented:
heh.  I just tried to upvote Vee_Mod's admin comment.

wrong site....

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