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OUD11g/12c - EUS Reports Error "ORA-28030: Server encountered problems accessing LDAP directory service" (Doc ID 1986819.1)

Last updated on MAY 29, 2024

Applies to:

Oracle Unified Directory - Version and later
Information in this document applies to any platform.
Affected DB versions -, 11.2.x, and including


EUS authentication fails with the following errors:

oud-/$ sqlplus

SQL*Plus: Release Production on Thu Mar 5 07:36:11 2015

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Enter user-name: user.0
Enter password:
ORA-28030: Server encountered problems accessing LDAP directory service

OUD_HOME/OUD_INSTANCE/OUD/logs$ tail access

[05/Mar/2015:07:36:14 -0700] CONNECT conn=69 from=<IP>:RANDOM_PORT to=<IP>:LDAPS_PORT protocol=LDAPS
[05/Mar/2015:07:36:14 -0700] DISCONNECT conn=69 reason="I/O Error" msg="Client requested protocol SSLv3 not enabled or not supported"

This problem will occur using any JDK version greater than JDK 7u75


Authentication failure occurred after following KM document to disable SSLv3:
CVE-2014-3566 Instructions to Mitigate the SSL v3.0 Vulnerability (aka "Poodle Attack") in Oracle Unified Directory (Doc ID 1950331.1)


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