Event-Enable Your Local SAP Systems
SAPGUI SSO via SAML2 (Oauth2.0) via Azure Active Directory | SAP Community
SAP Single Sign on (SSO) 3.0 configuration for SAP ABAP Application server using SNC Kerberos. | SAP Blogs
Enabling Single Sign On into SAP using Microsoft proprietary Windows Kerberos authentication(GSS-API) | SAP Blogs
Microsoft “SSPI”