|Message:||One of the System Attendant’s task is blocked.
This Error event indicates that the Microsoft® Exchange System Attendant service cannot start because one or more tasks of this service are blocked. The function name that is specified in the event description indicates the blocked task. Each blocked task will cause this event to be logged with the function name in the event description. This event may occur for various reasons. See “User Action” for information about how to resolve this error.
To resolve this error, do one or more of the following:
You can increase logging by running the following Exchange Management Shell commands:
For detailed information about how to increase logging, see How to Change Logging Levels for Exchange Processes.
Important After you have completed troubleshooting this issue, return logging to the default level by running the following commands:
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.