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Message type: E = Error
Message class: SAML2 - SAML2 Nachrichten
Message number: 080
Message text: Authentication failed: Wrong input parameter
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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SAML2080
- Authentication failed: Wrong input parameter ?The SAP error message SAML2080: Authentication failed: Wrong input parameter typically occurs in the context of Single Sign-On (SSO) when using SAML (Security Assertion Markup Language) for authentication. This error indicates that there is an issue with the parameters being sent during the authentication process.
Causes:
- Incorrect Configuration: The SAML configuration in the Identity Provider (IdP) or Service Provider (SP) may be incorrect. This includes issues with the SAML assertion, certificates, or metadata.
- Invalid Credentials: The user may be providing incorrect credentials or the credentials may not be recognized by the IdP.
- Parameter Mismatch: The parameters sent in the SAML request may not match what the IdP expects. This could include missing or malformed attributes.
- Expired or Invalid Tokens: If the SAML assertion or token has expired or is invalid, authentication will fail.
- Network Issues: Connectivity issues between the SAP system and the IdP can also lead to authentication failures.
Solutions:
- Check Configuration: Review the SAML configuration settings in both the IdP and SP. Ensure that the entity IDs, endpoints, and certificates are correctly configured.
- Validate User Credentials: Ensure that the user is entering the correct credentials and that the user account is active in the IdP.
- Review SAML Request/Response: Use tools like SAML Tracer or browser developer tools to inspect the SAML request and response. Look for any discrepancies in the parameters being sent.
- Check Token Validity: Ensure that the SAML assertion is valid and has not expired. If necessary, re-authenticate to obtain a new token.
- Consult Logs: Check the logs on both the SAP system and the IdP for more detailed error messages that can provide insight into the failure.
- Network Connectivity: Ensure that there are no network issues preventing communication between the SAP system and the IdP.
Related Information:
By following these steps, you should be able to diagnose and resolve the SAML2080 error in your SAP environment.
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