2672379 - Front-End SAML SSO to BI intermittently fails with HTTP 500 Session Expired error

• Front-end SAML SSO to BI intermittently fails to log in
• On 4.2: HTTP 404 error encountered randomly when attempting to log in to BI Launchpad
• On 4.3: Session Expired page appears intermittently http(s)://<WEB_APP_SVR>:<PORT>/BOE/saml/sessionexpired, with a HTTP 500

• SAP BusinessObjects Business Intelligence 4.x

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