CMU AUTHENTICATION FAILS WITH ORA-28030: SERVER ENCOUNTERED PROBLEMS ACCESSING LDAP DIRECTORY SERVICE
(Doc ID 3028495.1)
Last updated on JUNE 19, 2024
Applies to:
Autonomous Database Serverless - Version N/A and laterInformation in this document applies to any platform.
Symptoms
- Customer is trying to connect Autonomous Databases with CMU using their on-premises Active Directory-based authentication systems in a multi-Kerberos-realms setup. This is failing with below error :
J:\>sqlplus /nolog
SQL*Plus: Release 19.0.0.0.0 - Production on Fri May 24 17:29:59 2024
Version 19.20.0.0.0
Copyright (c) 1982, 2022, Oracle. All rights reserved.
SQL> conn /@(description= (retry_count=2)(retry_delay=3)(address=(protocol=tcps)(port=1522)(host=test.adb.eu-frankfurt-1.oraclecloud.com))(connect_data=(service_name=test_high.adb.oraclecloud.com))(security=(ssl_server_dn_match=no)))
ERROR:
ORA-28030: Server encountered problems accessing LDAP directory service
- Kerberos layer looks fine . The failure seems to be afterwards purely on the LDAP layer.
- Password based authentication also works fine.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |