Active Mailbox Delivery Queue Length - sustained for 5 minutes - Yellow(>200) - Edge Transport


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

MSExchangeTransport Queues

Counter Name

Active Mailbox Delivery Queue Length

Instance Name


Sample Interval (in seconds)


Server Role

Ex. Edge Transport

Warning Threshold


Critical Error Threshold


MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Edge Transport/Transport

MOM Rule Name

Active Mailbox Delivery Queue Length - sustained for 5 minutes - Yellow(>200) - Edge Transport.



User Action

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.

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