|Message:||Poison Count is %1 for the message with RecordID %2. The message has reached or exceeded the configured poison threshold of %3. After the Microsoft Exchange Transport service restarted, the message was moved to the poison message queue.|
This Warning event indicates that the transport process detected a message that could harm a Microsoft® Exchange environment. That message was moved to the poison message queue.
The poison message queue is a persistent queue that isolates messages that are detected as potentially fatal to a computer that is running Exchange Server 2007. This queue is typically empty. If no such messages exist in the poison message queue, the queue does not appear in the queue viewing interfaces. For information about how to manage queues, see Managing the Queue Database.
No user action is required. However, we recommend that you contact Microsoft Product Support to report the potentially harmful message that Exchange detected. For more information about how to contact support, visit the Microsoft Help and Support Web site.
Note Do not delete the poison message from the poison queue. Microsoft Product Support Services may have to examine the message.
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.