How To Fix SAML2016 - Federation for format '&1' is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 016

• Message text: Federation for format '&1' is not supported

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2016 - Federation for format '&1' is not supported ?

  The SAP error message SAML2016 indicates that there is an issue with the SAML (Security Assertion Markup Language) federation configuration, specifically that the format specified is not supported. This error typically arises in scenarios involving Single Sign-On (SSO) configurations where SAML assertions are used for authentication.
  Cause:
  
  Unsupported Format: The error suggests that the SAML assertion format being used is not recognized or supported by the SAP system. This could be due to an incorrect configuration in the Identity Provider (IdP) or Service Provider (SP) settings.
  Configuration Issues: There may be misconfigurations in the SAML settings, such as incorrect URLs, certificates, or metadata.
  Version Mismatch: The SAML version being used by the IdP may not be compatible with what the SAP system expects.
  Missing or Incorrect Metadata: The metadata provided to the SAP system may not include the necessary information for the specified format.
  
  Solution:
  
  Check SAML Configuration: Review the SAML configuration in both the SAP system and the Identity Provider. Ensure that the formats being used are supported and correctly configured.
  Update Metadata: Ensure that the metadata provided to the SAP system is up-to-date and correctly specifies the supported formats. This includes checking the assertion consumer service (ACS) URL and the entity ID.
  Verify Supported Formats: Consult the SAP documentation to verify which SAML formats are supported by your version of SAP. Ensure that the IdP is configured to use one of these supported formats.
  Check Certificates: Ensure that the certificates used for signing and encryption are correctly configured and valid. Mismatched or expired certificates can lead to authentication failures.
  Test with Different IdP: If possible, test the SAML configuration with a different Identity Provider to determine if the issue is specific to the current IdP.
  Review Logs: Check the SAP system logs and the IdP logs for more detailed error messages that can provide additional context on the failure.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAML configuration and supported formats for your specific SAP version.
  SAML Specifications: Familiarize yourself with the SAML specifications to understand the different formats and their requirements.
  Community Forums: Check SAP community forums or support channels for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about your configuration and the error message.