AD to OID Synchronization Fails With: LDAP Error Code 20 Uniquemember Attribute has Duplicate Value (Doc ID 578367.1)

Last updated on SEPTEMBER 14, 2016

Applies to:

Oracle Internet Directory - Version 10.1.2 to 10.1.4 [Release 10gR2 to 10gR3]
Information in this document applies to any platform.

Symptoms

OID was successfully integrated with AD.

Synchronization worked fine for few days, then began failing with $ORACLE_HOME/ldap/odi/conf/ActiveChgImp.trc error:

...........
[LDAP: error code 20 - uniquemember attribute has duplicate value. VALUE: cn=John Smith,ou=us,dc=abc,dc=com]
javax.naming.directory.AttributeInUseException: [LDAP: error code 20 - uniquemember attribute has duplicate value. VALUE: cn=John Smith,ou=us,dc=abc,dc=com]; remaining name 'cn=Imp users,ou=Imp groups,ou=cases,ou=us,dc=abc,dc=com'
at com.sun.jndi.ldap.LdapCtx.mapErrorCode(LdapCtx.java:2972)
at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2934)
at com.sun.jndi.ldap.LdapCtx.processReturnCode(LdapCtx.java:2740)
at com.sun.jndi.ldap.LdapCtx.c_createSubcontext(LdapCtx.java:777)
at com.sun.jndi.toolkit.ctx.ComponentDirContext.p_createSubcontext(ComponentDirContext.java:319)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.createSubcontext(PartialCompositeDirContext.java:248)
at com.sun.jndi.toolkit.ctx.PartialCompositeDirContext.createSubcontext(PartialCompositeDirContext.java:236)
at javax.naming.directory.InitialDirContext.createSubcontext(InitialDirContext.java:176)
at oracle.ldap.odip.gsi.LDAPWriter.createEntry(LDAPWriter.java:1031)
at oracle.ldap.odip.gsi.LDAPWriter.insert(LDAPWriter.java:386)
at oracle.ldap.odip.gsi.LDAPWriter.modifyRadd(LDAPWriter.java:725)
at oracle.ldap.odip.gsi.LDAPWriter.writeChanges(LDAPWriter.java:310)
at oracle.ldap.odip.engine.AgentThread.mapExecute(AgentThread.java:581)
at oracle.ldap.odip.engine.AgentThread.execMapping(AgentThread.java:306)
at oracle.ldap.odip.engine.AgentThread.run(AgentThread.java:186)
...........

Changes

 

Cause

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