extremely large .STM files - Exchange 2003 Standard

Posted on 2011-03-25
Last Modified: 2012-08-14
My .STM file was grown to 20 GB's and my db is 65 GB's.  I need to really reduce the size of my .STM.  What's the best way to do this?  I have database maintenance running every night and Ive trimmed down many of the mailboxes.  What else can I do?  I'm trying to void a offline defrag or any type of offline processes, however, I think I might have to resort to that.
Question by:gopher_49
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Expert Comment

by:Muzafar Momin
ID: 35215796
create multiple mailstore and divide the mailboxes among mailstores

Author Comment

ID: 35216295
I have the standard version.  That is not possible.  I'll have to create a VM and run Exchang Standard on a another windows instance..  I thought about that but I guess I need to clean up more space and live with the .STM file?

Author Comment

ID: 35216396
I don't think my db is releasing free space...  I deleted over 10 GB's of emails and my priv DB is still the same size?!
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Author Comment

ID: 35222113
My .stm file is 20GB and my priv edb is 65 GB's.  Does this seem to be normal?  What else can I do to reduce the size of my .stm file?  I guess and offline defrag but I'd rather mount another VM and move mailboxes arounmd before doing that.

Author Comment

ID: 35226585
ok..  I moved a 3 GB mailbox to another server.  I then let my database maintenance run and no storage/records where free'ed up...  My .stm and ..edb files are the exact same size.

Does this mean I need to move all mailboxes to another server and then delete my infostore and re-create it?
LVL 10

Accepted Solution

Muzafar Momin earned 500 total points
ID: 35230661
distribute the mailbox on both server

Author Comment

ID: 35231908
I'm using Standard so I ended up using a different backend server that wasn't being used and moved the mailboxes over there and will now delete my old DB/STM file and then recreate it.  This seems to be the best option in regards to less downtime versus running an offline defrag.  Moving the mailbox to a different server did not free up any space.. I have to move all mailboxes and delete the old DB/STM.

Author Closing Comment

ID: 35886621
I ended up moving all mailboxes to a temporary server, deleteing old infostore database which resulted in .STM file being deleted, created new infostore database, then moved users back over.

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