Exchange 2003 Database Size reduction

Hi Everyone,

I have an Exchange 2003 server that is hitting the 75GB limit.  I have a few quick questions:

1.  Will deleting a few mailboxes have any effect?  ( I have a couple I can remove...probably 2 - 3 GB space).

2.  I'm looking at an archiving solution...  If #1 buys me a week or so will the archiving process help?

3.  Will the above actually reduce the DB size or just create more available space within the 75GB?

Thanks!

Ed.
iteched1Asked:
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pine_nel1Commented:
Hi iteched1,

You will need to perform an offline defrag to reduce the actual file size. (eseutil /d)
(Store need to be dismounted to do this - this is a fairly lengthy process, use a weekend)

Thanks

Pine

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pine_nel1Commented:
Hi Ed,

Just to confirm point 3, without the defrag you will only make more space available in the 75GB (by deleting).

Thanks

Pine
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iteched1Author Commented:
Thanks Pine,  I've performed the eseutil before...and it does take forever!

If I have a few others archive to PST (eww...yuck...I know...) will that space be free as well for the eseutil to reclaim?

Most of the archiving solutions I'm looking at will pull pst files.

Thanks again!  Ed.
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Alan HardistyCo-OwnerCommented:
Please have a read f the folowing article from Demazter, EE's leading Exchange Expert:
http://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-Offline-Defrag.html
Basically, running an offline defrag is a waste of time - check your event logs for event ID 1221 and this will tell you how much free space you will recover by performing an offline defrag.
To clear up some space, you would have to delete / archive mail, remove mailboxes and MOST IMPORTANTLY, set the retention on the mailstore to 0 before you have any chance of recovering any worthwhile space.
Anyway - have a read of the article - it explains it all.
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pine_nel1Commented:
Hi Ed,

I will concede to alanhardisty's comments, defrag is aimed only at reducing physical space (also some improved IO). If your 75G limit is not based on physical (as indicated) it will not solve that problem.

Thanks

Pine

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iteched1Author Commented:
I think I have a plan now...thanks for the help.  I awarded Alan the most points as that was the most help and Pine 100 for the effort.  Thanks Ya'll.
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