Coexistence Manager for Notes (CMN) Directory Connector creates contact object with incorrect legacyExchangeDN attributes similar to the following:
/o=Org/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=/cn=Recipients/cn=user.name
Incorrect configuration.
1. Go to '<Directory Connector> | Edit'.
2. Go to the 'Target location information' screen.
3. Ensure the LEDN field looks similar to the following:
/o=Org/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/
4. Edit the LEDN, Save | Activate and re-run the connector.
5. Check the attribute in AD and make sure it is now correct.