3096731 - Browser shows logon pop-up after configuring Kerberos SSO for SAPGUI on ABAP system

Symptom

Kerberos based SSO is configured for SAPGUI access.
After that, SPNego SSO is used for web-based access unexpectedly and browser shows a pop-up window asking for credentials.

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

Environment

SAP NetWeaver Application Server ABAP

Product

SAP NetWeaver all versions

Keywords

SPNego, spnego/enable, pop-up, ICF service, basic authentication, logon credential, Kerberos, web-based access, SNC, SSO, SAPGUI , KBA , BC-SEC-LGN-SPN , SPNego for ABAP , Problem

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