Article ID: 2621266 - View products that this article applies to.
The Microsoft Exchange Server 2010 mailbox database grows unexpectedly large. The size of the mailbox database is not reduced when items are deleted from mailboxes.
This issue most frequently occurs when one of the following conditions is true. However, it may also occur in other scenarios:
This issue can occur because the Microsoft Exchange Information Store service does not reclaim database space when items are deleted.
To resolve this issue, install Exchange Server 2010 Service Pack 3
For more troubleshooting information, go to the following Microsoft TechNet website:
Troubleshooting Exchange 2007 Store Log/Database growth issues
To work around this issue, follow these steps:
This workaround recovers the leaked database space. However, the new database may start leaking space. You have to apply the fix to prevent new leaks.
For more information about how to create and configure a journaling mailbox, go to the following TechNet website:
http://technet.microsoft.com/en-us/library/bb124985.aspxFor more information about how to configure deleted items retention and recoverable items quotas, go to the following TechNet website: