The LDAP directory server returned an error message associated with an LDAP error that occurred, providing addition information to assist in determining the cause of the problem.
The server operation fails.
Examine the server messages issued around the same time as this message to determine the cause and impact of the error. Issue the QUERY ACTLOG command to view the activity log and search for messages. Check the status of the LDAP directory server and examine its log files. Use LDAP utilities such as ldapsearch or ldp to isolate the problem.