How To Fix SAML2112 - Cannot get metadata for selected entity descriptors

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 112

• Message text: Cannot get metadata for selected entity descriptors

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2112 - Cannot get metadata for selected entity descriptors ?

  The SAP error message SAML2112: Cannot get metadata for selected entity descriptors typically occurs in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language). This error indicates that the system is unable to retrieve the metadata for the specified entity descriptor, which is essential for establishing trust between the Identity Provider (IdP) and Service Provider (SP).
  Causes:
  
  Incorrect Metadata URL: The URL configured for the metadata might be incorrect or unreachable.
  Network Issues: There may be network connectivity issues preventing access to the metadata URL.
  Expired or Invalid Metadata: The metadata file may be outdated or invalid, leading to issues in parsing or understanding the entity descriptors.
  Configuration Errors: There may be misconfigurations in the SAML settings within the SAP system or the IdP.
  SSL/TLS Issues: If the metadata URL is secured (HTTPS), there may be issues with SSL certificates, such as being self-signed or expired.
  
  Solutions:
  
  Verify Metadata URL: Check the metadata URL configured in the SAP system. Ensure it is correct and accessible from the SAP server.
  Test Connectivity: Use tools like curl or a web browser to test if the metadata URL is reachable from the SAP server. If not, investigate network issues.
  Update Metadata: If the metadata is outdated, obtain the latest metadata from the IdP and update the configuration in the SAP system.
  Check Configuration: Review the SAML configuration settings in the SAP system to ensure they are correctly set up, including entity IDs, assertion consumer service URLs, and certificate configurations.
  SSL Certificate Validation: If using HTTPS, ensure that the SSL certificate is valid and trusted by the SAP system. You may need to import the certificate into the SAP trust store if it is self-signed or from a non-trusted CA.
  Review Logs: Check the SAP application logs for more detailed error messages that may provide additional context on the issue.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAML configuration and troubleshooting.
  SAML Metadata: Understand the structure of SAML metadata and how it is used in SSO configurations.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the SAML2112 error in your SAP environment.