3796015 - Subject Name Identifier requirement for IAS — use Global User ID to prevent redirect to Native Sign-In

• Users may be redirected to the SAP Native Sign-In page when accessing LMS via Sites or Basic Native Login using IAS SSO.
• The Subject Name Identifier (NameID) in IAS for the LMS application is set to a value other than Global User ID.
• Issue typically affects external learners and extended enterprise scenarios. 

• SAP SuccessFactors Learning
• SAP Cloud Identity Services – Identity Authentication IAS

SAML 2.0, NameID format, authentication flow, identity provider, service provider, user mapping, unique identifier, configuration, troubleshooting, login redirect, external access, assertion subject, tenant configuration, SSO issue, mapping rules , KBA , LOD-SF-LMS-EXT , Sites and External Users , Problem