3224226 - SAML SSO Authentication does not work with IdP submitting incorrect username

• SAML Single Sign On (SSO) does not work and the BI Launchpad login page loads containing an auto populated username different than what is used with the BI Platform: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  
  
• Spring SAML logs show the following entry regarding the auto-populated user name:
  
  DEBUG AnonymousAuthenticationFilter:107 - SecurityContextHolder not populated with anonymous token, as it already contained: 'org.springframework.security.providers.ExpiringUsernameAuthenticationToken@46a83297: Principal: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx ; Credentials: [PROTECTED]; Authenticated: true; Details: null; Not granted any authorities'

• SAP BusinessObjects Business Intelligence Platform (BI) 4.x
• External / Third-party IdentityProvider (IdP)

SAML, SSO, Authentication, Windows AD, BI Launchpad,saml2:response , KBA , BI-BIP-AUT , Authentication, ActiveDirectory, LDAP, SSO, Vintela , Problem