Oracle Access Manager 12c (OAM 12.2.1.3.x) Federation Service Provider (SP) Initiated SSO Fails with 400 Bad Request
(Doc ID 2478286.1)
Last updated on JANUARY 04, 2023
Applies to:
Oracle Access Manager - Version 12.2.1.3.180622 and laterInformation in this document applies to any platform.
Symptoms
Oracle Access Manager 12c (OAM 12.2.1.3.x) Federation Service Provider (SP) Initiated SSO Fails with 400 Bad Request
- OAM 12.2.1.3 acting as IdP
- User ------> Load Balancer ----> OHS+WebGate -----> OAM (IdP)
- IdP initiated SSO works fine
- SP-initiated SSO fails
Scenario:
- Initiate SSO by accessing a URL protected on the SP
- The SP submits a SAML Authentication Request to OAM (the IdP), which redirects to the login page.
- When the user submits their credentials, they get the following error message in the browser:
Suggesting that It is OHS that is rejecting the requests, throwing the 400 Bad Request errors.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |