The MTA was unable to route to recipient . The message (MTS-ID): , recipient: , recipient number . Check the routing table for a possible incorrect routing configuration. [ ] (12)

Details
Product: Exchange
Event ID: 142
Source: MSExchangeMTA
Version: 6.5.6940.0
Component: Microsoft Exchange Message Transfer Agent
Message: The MTA was unable to route to recipient <recipient>. The message (MTS-ID): <message id>, recipient: <recipient>, recipient number <value>. Check the routing table for a possible incorrect routing configuration. [<value> <value> <value> <value>] (12)
   
Explanation

The message transfer agent (MTA) was unable to route to recipient.

   
User Action

In Exchange 2000, the MTA uses the Routing Engine service to route messages. Try to stop and restart the routing engine, checking the event logs for errors. It may be necessary to use Winroute to view the routing tables.

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