permanently delete exchange 2003 mailbox after purge from System Manager

mm1250
mm1250 used Ask the Experts™
on
Hello,

My exchange is in critical mode.  This morning disk space was 2MB free.  Store was not mounted.  I went into the D drive and was able to free up 800MBs free from other files.  I was able to mount the database back fine however disk is still very low.  I went in and started deleting mailboxes that were un-needed. I was able to get rid of about 3GB but after purging them in System manager it wont' reflex on the disk-space.  

1. I went into Mailbox store and made sure Deletion settings were box set to 0 for items and mailboxes.

2. Circular logging is enabled so no log files issue from there.

Why isn't the free space coming back after getting rid of mailboxes?
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Alan HardistyCo-Owner
Top Expert 2011

Commented:
You will have to run eseutil /d against the store to lose the space but you will need a drive that has plenty of free space (at least 110% of the size of the .EDB and .STM combined).
you can use eseutil /d /t x:\tempdfg.edb to point the location of the defragmentation to another drive with sufficient capacity.

Author

Commented:
Hello,

OK, so when does the mailboxes permanently delete than?  I have set the deletion policies to "0" days.   Shouldn't it delete automatically?
Co-Owner
Top Expert 2011
Commented:
Basically, yes - the deleted mailboxes do get removed, but you won't see the size of the database shrink as a result.  Only an offline defrag of the database will reduce the size of the database.
Extract from: http://www.petri.co.il/defragment_exchange_2000_2003_server_databases.htm
Exchange databases run a defragmentation process once a day by default.  This process rearranges mailbox store and public folder store data more efficiently, eliminating unused storage space.  Exchange database online defragmentation occurs automatically as part of the database maintenance process.  Online defragmenting is performed automatically at 2:00 AM every day by default.  Online defragmentation makes additional database space available by detecting and removing database objects that are no longer being used. The defragmentation process provides more database space without actually changing the file size of the database.
Offline defragmentation creates a new database by copying all records and tables from the old database into the new database.  Because this is a copy, defragmentation requires free disk space equal to the size of the database (actually, you'll need 110% of free space).

Author

Commented:
Ok thanks,

Right now my STM file is 19GB and the EDB file is 38GB. How much space will I need to do this?
Alan HardistyCo-Owner
Top Expert 2011

Commented:
About 63gb of free space.

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