This Error event indicates that at least one journal message could not be delivered to a journal report mailbox.
When a journal message is rejected for any reason, the transport process intercepts the non-delivery report (NDR) process and tries to transfer the message again in retry mode. Journal messages do not cause an NDR to be sent.
Note If you do not resolve this error, it is very possible that messages will build in the queues. Eventually the server may stop processing e-mail at all.
To resolve this error, determine the reason that a journal message is rejected. Then correct the issue. Follow these steps:
Run the Exchange Management Shell Get-Message cmdlet with the IncludeRecipientInfo parameter. The cmdlet should return the error message that explains why the message was rejected.
Fix the issue based on the information in the error specified in the Exchange Management Shell. After you fix the issue, message delivery should continue.
For more information, see Get-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.