Article ID: 905801 - View products that this article applies to.
In Microsoft Exchange Server 2003 or in Microsoft Exchange 2000 Server, the information store is dismounted. Additionally, an event that is similar to the following event is logged in the Application log on a server that is running Exchange Server 2003 or Exchange 2000 Server:
Event Type: Error
This issue occurs if the storage group that is related to the information store contains more than 1008 uncommitted Extensible Storage Engine (ESE) transaction log files. Each ESE storage group has a hard-coded limit of 1024 uncommitted ESE transaction log files. When the number of uncommitted ESE transaction log files in an ESE storage group reaches 1008, Exchange Server 2003 or Exchange 2000 Server starts to dismount all the information stores in the storage group. Additionally, the event ID 1159 message is logged in the Application log.
To resolve this issue, restart the Microsoft Exchange Information Store service. To do this, follow these steps on the server that is running Exchange Server 2003 or Exchange 2000 Server:
Many uncommitted ESE transaction log files may be created in any one of the following scenarios:
For more information about how to monitor the number of uncommitted ESE transaction log files that are contained in a particular storage group, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/819771/ )Update to monitor uncommitted transaction log files
Article ID: 905801 - Last Review: October 25, 2007 - Revision: 2.2