SAP Knowledge Base Article - Preview

2241620 - ESI - HTTP 401 error when accessing the WSDL file of Web Services


When accessing the WSDL file of a Web Service, the following error is returned:

HTTP 401 Unauthorized.

If a user tries to access the file, a logon prompt window is raised asking for user ID and password.



  • Web Services for ABAP
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4HANA


ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions


Webservice, Web Service, Webservices, Web Services, ESI, ESI_GDPR, ESI_STD, WSDL Anmeldedaten, default_host/sap/bc/srt/wsdl, log on data for WSDL, WSDL URL access, publish WSDL, , KBA , abap services registry , , BC-ESI-WS-ABA-RT , WebServices ABAP Runtime , BC-ESI-WS-ABA , Web Service and SOAP - ABAP , Problem

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