The log disk is full - attempting to stop the Exchange Information Store service


Topic Last Modified: 2007-11-16

The Microsoft Exchange Server 2007 Management Pack for Operations Manager monitors the Windows Application log on computers that are running Exchange Server 2007 and generates this alert when the event or events specified in the following Details table are logged.

To learn more about this event, do one or more of the following:

  • Review the description of the event that includes the variables specific to your environment. From the Operator Console, select this alert, and then click the Properties tab.

  • Review all events that have been logged that meet the criteria of this Operations Manager alert. From the Operator Console, click the Events tab, and then double-click the event in the list for which you want to review the event description.


Product Name


Product Version

8.0 (Exchange Server 2007)

Event ID


Event Source


Alert Type

Critical Error

MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Mailbox/Information Store

MOM Rule Name

The log disk is full - attempting to stop the Exchange Information Store service.


This Error event indicates that the disk that the database transaction log files are written to is full. The Microsoft Exchange Information Store service will be shut down.

User Action

To resolve this error, delete files or directories to free disk space. However, do not delete the log files. The correct method to remove log files is to perform an online backup. An online backup commits all the log files to the database and then removes the log files from the disk. For more information about how to remove the database transaction log files, see Microsoft Knowledge Base article 240145, How to remove the Exchange Server transaction log files.

The Database Troubleshooter tool included with Exchange 2007 has an option to clean up the database transaction log files. You can run the Database Troubleshooter tool from the Toolbox in the Exchange Management Console.

After verifying that your system has sufficient disk space, remount the database, if necessary.

For More Information

To search the Microsoft Knowledge Base articles based on criteria that generated this alert, visit the Search the Support Knowledge Base (KB) Web site.

To review Exchange 2007 event message articles that may not be represented by Exchange 2007 alerts, see the Events and Errors Message Center.

If you are not already doing so, consider running the tools that Microsoft Exchange offers to help administrators analyze and troubleshoot their Exchange environment. These tools can help you make sure that your configuration is in line with Microsoft best practices. They can also help you identify and resolve performance issues, improve mail flow, and better manage disaster recovery scenarios. Go to the Toolbox node of the Exchange Management Console to run these tools now. For more information about these tools, see Toolbox in the Exchange Server 2007 Help.