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Errors with EUS AD Integration Using OUD Proxy - "ORA-28273: No mapping for user nickname to LDAP distinguished name exists" (Doc ID 1912382.1)

Last updated on SEPTEMBER 30, 2021

Applies to:

Oracle Unified Directory - Version and later
Information in this document applies to any platform.


After registering a database in OUD and mapping an enterprise user to a global user the login process fails with the below error:

This error is output when a user attempts to authenticate -

ORA-28273: No mapping for user nickname to LDAP distinguished name exists.
Cause: ORACLE server cannot map the given user nickname to LDAP distinguished name.
Action: Make sure user entries in LDAP are correctly provisioned with correct user nickname attribute values.




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