|Message:||Only %1% of user %2’s %3 attempted RPCs have succeeded in the past %4 minute(s) (which is less than the threshold of %5%)).
Adapter Speed: %6 kbps
Machine Name: %7
Client Mode: %8
This Warning event indicates that a Microsoft Outlook client computer may have experienced problems. The number of successful remote procedure calls (RPCs) sent to this Microsoft Exchange server by the client is less than the specified threshold in a specific time period. Potential causes include:
To resolve this warning, do one or more of the following:
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.