By default, Update Native Directory Utility creates log files in EPM_ORACLE_HOME/common/utilities/UpdateNativeDir/logs/security-migration.
CSSMigration-Ambiguous_time_stamp.log lists ambiguous identities that Update Native Directory Utility could not resolve. You must manually update the identities listed in this file.
CSSMigration-Deleted_time_stamp.log lists the identities that Update Native Directory Utility deleted from Native Directory.
CSSMigration-Updated_time_stamp.log lists the Native Directory identities that Update Native Directory Utility updated in Native Directory to reflect the changes to the identity in an external user directory.
CSSMigration-Ignored_time_stamp.log lists the entries on which no action was taken because they needed no update.