Return
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Title
Maximum hop count exceeded. Message probably in a routing loop. -
Description
When sending a message from the internet to a user that has been migrated to Exchange you receive an NDR stating "Maximum hop count exceeded. Message probably in a routing loop."
When sending an email to the same user from a Notes Client the message is delivered as expected.
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Cause
In this environment this was caused by the setting in Domino that controls the "Maximum hop count".
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Resolution
Once this was increased and the Domino Router was restarted messages from the internet were able to be delivered correctly
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Additional Information
For more information on this setting please refer to Setting transfer limits from IBM.