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MSExchangeIS Mailbox: Messages Queued For Submission - sustained for 15 minutes - Yellow(>25)


Topic Last Modified: 2007-11-16

The Microsoft Exchange Server 2007 Management Pack for Operations Manager includes a performance data collection engine that is used to query performance counter objects on computers that are running Exchange Server 2007. For this Operations Manager rule, data is collected using the performance counter specified in the Details table.

To review the value of the performance counter that generated this alert, in the Operator Console, select this alert, and then click the Properties tab.


Product Name


Product Version

8.0 (Exchange Server 2007)

Event Source

MSExchangeIS Mailbox

Counter Name

Messages Queued For Submission

Instance Name


Sample Interval (in seconds)


Server Role

Ex. Mailbox

Warning Threshold


MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Mailbox/Information Store

MOM Rule Name

MSExchangeIS Mailbox: Messages Queued For Submission - sustained for 15 minutes - Yellow(>25).

The Messages Queued for Submission performance counter indicates the number of messages in the mailbox store that are ready to be sent and are waiting to be submitted to a transport server.

This alert indicates that that the number of messages in the mailbox store that are queued for submission to a transport server has been greater than 25 for 15 minutes. This alert may be caused by problems with the Microsoft Exchange Mail Submission service on the Mailbox server, higher than normal load on the transport server, or a resource bottleneck on the transport server.

To resolve this warning, do one or more of the following:

  • Verify that the Microsoft Exchange Mail Submission service is running on the Mailbox server.
  • Determine if there is a bottleneck, and if so, what resources are creating the bottleneck. After finding the cause of the bottleneck, attempt to mitigate the problem. Possible bottlenecks include disk reads or writes, processor time, available memory, and network configuration.

If you are having difficulty resolving the issue, contact Microsoft Product Support. For information about contacting support, visit the Contact Us page of the Microsoft Help and Support Web site.

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.

To search the Microsoft Knowledge Base articles based on criteria that generated this alert, visit the Microsoft Help and Support Web site.

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