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2536921 - 401 Unauthorized: User name/password logon screen does not appear

Symptom

  • Users are not able to login to the SAP Application Server JAVA stack (via HTTP/HTTPS access) as no logon prompt for inputting User ID/Password is displayed.
  • Only a 401 Unauthorized page is displayed as shown below: 

    error.png

 Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.  


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Environment

  • SAP NetWeaver
  • Release Independent

Product

SAP Composition Environment all versions ; SAP NetWeaver Application Server for Java all versions ; SAP NetWeaver all versions ; SAP Process Integration all versions ; SAP Solution Manager all versions

Keywords

SAP Production, ERP, SRM, CRM, ERP, PPM, SEM, APO, XI, PI, PORTAL, SAP-J2EE-Engine, service.naming, BasicPasswordLoginModule, REQUISITE, User ID/Password, 401 Unauthorized, explicit policy configuration, web.xml, ume.login.context, ticket, EvaluateTicketLoginModule, BasicPasswordLoginModule, CreateTicketLoginModule, 401 no logon screen, 401 unathorized before login screen 

, KBA , BC-JAS-SEC , Security, User Management , BC-JAS-SEC-UME , User Management Engine , BC-JAS-SEC-LGN , Logon, SSO , Problem

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