Oracle Access Manager (OAM) Federation - SSO Fails With "Signature verification failed for provider ID ..." (Doc ID 2032605.1)

Last updated on JANUARY 18, 2023

Applies to:

Symptoms

Note: this error "Signature verification failed for provider ID" may also occur where OAM is Identity Provider configured with a 3rd party Service Provider that is performing Service Provider (SP)-initiated SSO and signing the SAML authentication request sent to OAM Identity Provider (IdP).

• Oracle Access Manager (OAM) has been configured as a Service Provider (SP) with a 3rd party Identity Provider (IdP)
• SSO between the sites is failing, the OAM System Error page is displayed
• The OAM log file shows errors that indicate that OAM is unable to verify the signature of the SAML message from the IdP:

Steps to Reproduce

1. Access the IdP site and login to the IdP domain.
2. Click on a link that triggers IdP-initiated SSO to a site in the OAM SP domain.
3. The OAM System Error page is displayed.

Changes

Cause

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.