Exchange 2003 vs. Entourage 2004 Mailbox Size Discrepancy
In System Manager for Exchange 2003 Standard SP2, I've got a user who's mailbox reports a size of over 13 GB. When checking the folder size from Entourage, I get a mailbox size of just over 1 GB.I've done the math on the mailbox sizes reported in System Manager and found that those mailboxes approximately equal the size of the private store EDB+STM files.This has been a problem for several months now across several updates to the client OS and Entourage client.Several searches have revealed nothing and it's getting to be critical since this 13 GB mailbox plus my other users mailboxes are quickly approving the 75 GB limit.Exchange Server: Windows Server 2003 Standard SP1 + Exchange 6.5 Build 7638.2Entourage Client: OS X 10.5.5 (9F33) + Entourage 11.4.0 (080122)
October 16th, 2008 10:26pm

There might be a Hotfix for this issue. Have a read of the link below, there are some similarities http://support.microsoft.com/kb/910035
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October 21st, 2008 2:23pm

Thanks for your reply Andrew.I ran the Mailbox Manager report as described here. The output I get from that is:The Microsoft Exchange Server Mailbox Manager has completed processing mailboxesStarted at: 2008-10-21 11:14:24Stopped at: 2008-10-21 11:14:25Mailboxes processed: 1Messages that would be moved or deleted: 407Size of messages that would be moved or deleted: 13042.28 MBI'm not sure that the hotfix for the Mailbox Manager would take care of this issue. It appears that Exchange is reporting the correct values, but Entourage is not. I've attempted to clear the cache in order to have the mailbox downloaded from scratch but get no change.Also, more than one Mac connects to this mailbox (same user w/ laptop). On the Macbook, we have Entourage 2008 (12.1.2) installed and we are getting the same results.The initial mailbox size #'s I posted were somewhat incorrect. Entourage reports the total mailbox size as just over 1 GB, but the Inbox is 573 MB and the Sent Items folder is 1,171 MB. These #'s are exactly the same on the Entourage 2004 and Entourage 2008 systems.
October 21st, 2008 6:55pm

Found the answer.I loaded up this user's mailbox using Outlook and found well over 11 GB of messages in the Drafts folder, which both Entourage 2004 and 2008 reported as being empty.Both OWA and Outlook report folder/mailbox sizes correctly, while Entourage does not. Turns out this is a known issue, as noted here:http://www.tech-archive.net/Archive/Exchange/microsoft.public.exchange.admin/2006-05/msg00961.htmlThanks for the reads. Hopefully this will help someone else.
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October 22nd, 2008 1:07am

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