Hi, there 'name' AttributeType is defined in core.schema file, but by default it's definition is commented. You can see that in your last mail.... Reagards, V. > # 2.5.4.41 is defined above as it's used for subtyping > #attributetype ( 2.5.4.41 NAME 'name' > # EQUALITY caseIgnoreMatch > # SUBSTR caseIgnoreSubstringsMatch > # SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} )