|Component:||Microsoft Exchange Transport|
|Message:||A non-delivery report with a status code of number was generated for recipient recipient (Message-ID id). Causes: Exchange mistakenly attempted mail delivery to an incorrect MTA route. Solution: Check your route and topology; use the winroute tool to ensure the routes are properly replicated between servers and routing groups.|
This event is logged when a non-delivery report (NDR) is generated because Exchange mistakenly tried to deliver mail through an incorrect message transfer agent (MTA) route. The following are possible reasons that this failure would occur:
Verify that routing and your topology are correctly configured. You can use the WinRoute tool to make sure that routes are correctly replicated between servers and routing groups.
You can download WinRoute from http://go.microsoft.com/fwlink/?linkid=25049.
For information about how to use WinRoute, see Microsoft Knowledge Base article