|Source:||MSExchangeIS Mailbox Store|
|Component:||Microsoft Exchange Information Store|
|Message:||Exchange store ‘<storage group name>‘: The logical size of this database (the logical size equals the physical size of the .edb file and the .stm file minus the logical free space in each) is <number> GB. This database size has exceeded the size limit of <number> GB.This database will be dismounted immediately.|
This event is logged if the size check identifies that the logical size of the database is greater than the limit you have configured. The text in the event description identifies the database that has exceeded this limit and the current logical size of the database. The logical size of the database equals the physical size of the .edb file and the .stm file minus the logical free space in each. By default, Exchange Server checks the size of each Exchange database at 5 hours after midnight (5:00 AM).
When this event is logged, the database specified in the event description is dismounted. You must take immediate administator action to minimize the disruption in e-mail service for your users.
Note Event ID 9689 is logged the first time that the logical size of the database is greater than the limit you have configured.
If you are running Exchange Server 2003 Service Pack 2, you can configure the maximum database size, the threshold at which a warning event is logged, and the time of day at which database sizes are evaluated. For information about how to configure these settings, see “Configure Database Size Limits” in Exchange Server 2003 SP2 Online Help.
To restore e-mail service for your users, restart the database specified in the event description.
Note Although you can temporarily restart the database to allow your users to access e-mail and public folder data, the database will be dismounted on each daily check that determines that the logical size limit for the database has been exceeded.
To reduce the size of the database:
Note If you have not configured the size limit for an Exchange database to the maximum allowed size, you may want to increase the size limit for the database specified in the event description. See the Explanation section of this article for the maximum configurable size limits depending on the version of Exchange Server that you are running. However, backup and restore operations will take longer if you increase the size of the database.