SAP Knowledge Base Article - Preview

3346384 - SPNego SSO doesn't work with SPN defined with a Port

Symptom

SPNego SSO is expected to work when accessing a hostname with a non-standard port (80/443), where the formed Service Principal Name would be in the following format:

HTTP/<hostname>:<port> e.g. HTTP/example.domain.com:43000

On the Active Directory service account, the SPN is registered with the port appropriately, but the SSO doesn't work.


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Environment

Chromium-based browsers (Such as Microsoft's Edge and Google's Chrome);

Product

SAP NetWeaver Application Server for ABAP all versions ; SAP S/4HANA all versions ; SAP Single Sign-On all versions

Keywords

spnego, spnego sso, kerberos, port, spn, service principal name, 443, 80, no-default ports, ad, active directory , KBA , BC-SEC-LGN-SPN , SPNego for ABAP , BC-IAM-SSO-SL , Secure Login , How To

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