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Client: Averaged client RPC latency is greater than the specified threshold

 

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 alert, if you are using Microsoft Operations Manager 2005, do one or more of the following:

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

  • 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. Review the events that have been logged that meet the criteria of this Operations Manager alert.

To learn more about this alert, if you are using System Center Operations Manager 2007, do one or more of the following:

  • From the Operations Console, double-click this alert, and then click the General tab. Review the description of the alert that includes the variables specific to your environment.

  • From the Operations Console, double-click this alert, and then click the Alert Context tab. Review the events that have been logged that meet the criteria of this Operations Manager alert.

 

Product Name

Exchange

Product Version

8.0 (Exchange Server 2007)

Event ID

9641

Event Source

MSExchangeIS*

Alert Type

Warning

MOM Rule Path

Microsoft Exchange Server/Exchange 2007/Mailbox/Information Store

MOM Rule Name

Client: Averaged client RPC latency is greater than the specified threshold.

This Warning event indicates that a Microsoft Outlook client computer is reporting long latency remote procedure calls (RPCs) to this Microsoft Exchange server. Potential causes include:

  • Server resource bottleneck (for example, disk or CPU)

  • Network problem

  • Problems on the client computer

To resolve this warning, determine if the long latency is on the Exchange server or is external to the Exchange server. Do one or more of the following:

  • Look at the average RPC Latency view to determine how long the server is taking to process RPC requests.

  • Look at the Number of Slow RPC Packets view to see how many RPCs took longer than two seconds to process on the server.

If the average RPC latency is short and there are few long RPCs, this is an indication that the problem is external to the Exchange server, such as a network bottleneck.

If the average RPC latency is long or there are many long RPCs, this is an indication of a resource bottleneck on the server. Investigate the typical sources such as disk latencies, queues, or CPU utilization.

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 Server 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.

 
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