Please add below security header in SoapUI request after importing Siebel IP19 Inbound Web Service in SoapUI also make the following change in: Administration - Web Services/ Inbound Web Services/ Operation Change Authentication Type to: None <soapenv:Header> <wsse:Security xmlns:wsse="http://schemas.xmlsoap.org/ws/2002/04/secext"> <wsse:UsernameToken> <wsse:Username>******</wsse:Username> <wsse:Password Type="wsse:PasswordText">*****</wsse:Password> </wsse:UsernameToken> </wsse:Security> </soapenv:Header>