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Jack5Back

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exchange 2007 SIS Question

Hi Guys,
Another Exchange question here...
I am trying to get my user base to cleanup their outlook mailboxes and using the command Get-Mailbox Statistics in the Exchange Management Shell to pull their mailbox sizes into a .csv so I can then pull it into Excel.

However, I know that Exchange 2007 has Single Instance Storage so that it doesn't store the same message twice in the same database. So, when exchange tells me that Bob has a 2GB mailbox and Bill has a 1GB mailbox, is it possible that some of their. "shared" emails are contributing to the reported size of one mailbox, but not the other?

And if they are being reported under Bob's mailbox, and bob deletes the message, would it them inflate Bill's mailbox?

I have a couple of user's whose mailboxes have increased dramatically since we started this process and this is my only explanation.

Or maybe it would attribute the shared message to both mailboxes and it's not an issue?
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Netflo
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Hi,

Attachments are SI, messages are not. So this may be the case why you've seen the spike in data footprint.

Reference: http://blogs.technet.com/b/exchange/archive/2008/02/08/3404852.aspx
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Jamie McKillop
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Jack5Back

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JJ,
That's a great point, I had it set for 14 days, so I moved it down to 7 days. Now I am trying to figure out if that's 7 days after it was deleted or 7 days after it was received/created.

Also, when I move a mailbox from this server to an exchange 2010 server, will the 2010 server keep the "retained" items or will those get left behind?

Thanks,
Ben
It is 7 days after the items has been deleted. When you move the mailbox to Exchange 2010, the dumpster will not be moved.

-JJ
Thanks JJ,
I have another question for you...

Let's say that it's the fifth of the month and my database deletion settings is set to keep deleted items for 14 days. On the 5th, I delete an email in my mailbox and empty my deleted items. Then, on the 10th, the admin goes in and changed the database to keep deleted items for 3 days. Will the item be removed on the 11th, the 13th or the 19th?

I am just trying to figure out when the system truly deletes the email. Is it based on the current settings or is it based on the settings when the email got deleted.

Thanks,
When the online maintenance runs, it will use the current settings to determine what should be deleted.

-JJ