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Exchange 2007 database growing rapidly

Hi Guys,

We've got a database on SBS 2008 (EX2k7) that is chewing up space in a hurry. Today it has added 8gb to itself in the las, for an office of 30 users. We'd normally expect 200 - 1gb for the whole day. How can I tell what is being added to the database and if it's legitimate. in the hour after the business closed for the day it grew 2gb. We only have 5.5gb left!

4 Solutions
several questions..
do you have a good antispam system running?
if you disconnect from the internet does it continue to grow?
Have you checked the size of individual user mailboxes?
ahh database growing - always a pain topic.

So, there are couple of beautiful reasons why a database loves to grow

1. Corrupt Store

2. Corrupt Mailbox

3. world famous AV issues

4. Corrupt OL profile

Now, what you are asking what is in the database that is legit, sorry Microsoft loves to hide stuff that it wouldn't display what went into the database and what not.

So, all you can check is the event 1221 and find if there are white spaces created in the store.

Praveen BalanSolution ArchitectCommented:
Few points that you must check are,

SMTP issues: SMTP issue can be due to the following situation
     NDR Looping
     Increased mail flow
Store issues: This can be due to the following.
     Corrupt mail stuck in the queue.
     3rd party software accessing a particular mailbox
     Misbehaving client, it can be a corrupted profile also

follow the tips in this URL - Database & Transaction Logs are rapidly growing!

In my past experience one of the Outlook 2010 trail version was created the issue. Use Exmon to check the user acitivity.
Rob WilliamsCommented:
You are aware that when a user deletes an e-mail it is not deleted form the Exchange database until an "Exchange aware" backup, such as the SBS backup, is run ??  If only backing up data the # of deleted e-mails will grow very quickly with 30 users.
optimus_nzAuthor Commented:
Thanks guys. Turns out we had a "power" user that was looking for data from PST's and was importing them into mailboxes all over the business instead of just reading direct from the PST.... always the user!
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