Exchange 2003 phantom mailbox takes up space

We have an Exchange 2003 on an SBS 2003 box. The database is almost full (74GB). There used to be a journaling mailbox that took up half of that space. We have long deleted and purged that mailbox, so the actual sum of all the mailbox sizes that show up under mailboxes in the ESM is about 38GB. However, the online defrag does not show a lot of whitespace (40MB) and a previous offline defrag did not result in significant size savings.

The question is:
1. Is the online defrag result a good indicator of what the offline defrag will reduce the files by?
2. What do we do? Our Exchange is about to stop mounting...
lmindlinAsked:
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AmitConnect With a Mentor IT ArchitectCommented:
I would try this, as we have limit in SBS.

Plan A
1) Take full backup for Exchange server
2) Dismount the DB
3) Go and delete edb and stm files
4) Mount the DB, this will create the empty db also called dial tone scenario
5) One Dial tone is created, user will be able to send the emails.
6) Create the RSG, Restore from backup to this RSG.
7) Merge data back to user mailbox one by one.

Plan B
1) Take full backup for Exchange server
2) Login to user end, Export data into a PST file
3) At user end, change mailbox delievery path to PST file.
4) Merge the user PST taken in Step2 to user PST created in Step3.
5) Dismount the DB
6) Go and delete edb and stm files
4) Mount the DB, this will create the empty db also called dial tone scenario
5) Once Dial tone is created, user will be able to send the emails.

Plan C
Buy Exchange 2003 or 2007 with Enterprise edition.

Plan D
Call Microsoft if they have any other solution

Note: Plan A and B need long down time.


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lmindlinAuthor Commented:
Going to use OnTrack PowerControls to bring the data back from the old edb...
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