message duplicateRegistrationFault
parts 
duplicateRegistrationFault
element ex:DuplicateRegistrationFault
used by 
Operation registerQuery in PortType EventCollectorQueryService
Operation registerComponent in PortType EventCollectorUpdateService
Operation registerAttributes in PortType EventCollectorUpdateService
Operation registerMessages in PortType EventCollectorUpdateService
source  
<wsdl:message name="duplicateRegistrationFault">
  <wsdl:part name="duplicateRegistrationFault" element="ex:DuplicateRegistrationFault"/>
</wsdl:message>

WSDL documentation generated by XMLSpy WSDL Editor http://www.altova.com/xmlspy