Unable to synchronize LDAP users with LDAP technical user

Document ID : KB000098709
Last Modified Date : 30/05/2018
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Regular LDAP (port 389) is used.  The technical user feature allows a non-LDAP user to synchronize LDAP users through the use of the SYNC_LOGIN in the UC_LDAP_<domain> variable.
This feature is broken in v12.1.1 HF3. 
This feature works up to v12.0.4.

LDAP error, class 'javax.naming.AuthenticationException', mesage '[LDAP: error code 49 - 80090308: LdapErr: DSID-0C09042A, comment: AcceptSecurityContext error, data 775, v3839'.
Upgrade the Automation Engine to one of the fixed release versions.

Automation.Engine 12.2.0: Planned release ~6/29/2018
Automation.Engine 12.1.2: Available 

Workaround:  Do not use the SYNC_LOGIN. Log in as an LDAP user to synchronize another LDAP user.