How To Fix SAML2116 - Can not calculate entity hash for entity name '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 116

• Message text: Can not calculate entity hash for entity name '&1'

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 SAML2116 - Can not calculate entity hash for entity name '&1' ?

  The SAP error message SAML2116, which states "Can not calculate entity hash for entity name '&1'," typically occurs in the context of SAP's Single Sign-On (SSO) configuration, particularly when dealing with SAML (Security Assertion Markup Language) assertions and identity providers.
  Cause:
  The error usually arises due to one of the following reasons:
  
  Invalid Entity Name: The entity name specified in the SAML configuration may be incorrect or not properly defined.
  Configuration Issues: There may be issues in the SAML configuration settings, such as missing or incorrect parameters.
  Certificate Problems: If the certificates used for signing or encrypting SAML assertions are not correctly configured or are missing, it can lead to this error.
  System Time Issues: If the system time on the SAP server is not synchronized with the identity provider, it can cause issues with SAML assertions.
  
  Solution:
  To resolve the SAML2116 error, you can follow these steps:
  
  
  Check Entity Name: Verify that the entity name specified in the SAML configuration is correct. Ensure that it matches the expected format and is properly defined in the identity provider.
  
  
  Review SAML Configuration: Go through the SAML configuration settings in the SAP system. Ensure that all required parameters are correctly set, including the entity ID, assertion consumer service URL, and other relevant settings.
  
  
  Validate Certificates: Check the certificates used for SAML transactions. Ensure that they are valid, not expired, and correctly configured in both the SAP system and the identity provider.
  
  
  Synchronize System Time: Ensure that the system time on the SAP server is synchronized with the identity provider. You can use NTP (Network Time Protocol) to keep the time in sync.
  
  
  Check Logs: Review the SAP system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  Test Configuration: After making changes, test the SAML configuration to ensure that the error is resolved. You can use tools like SAML Tracer or browser developer tools to monitor SAML requests and responses.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SAML configuration and troubleshooting. This can provide detailed guidance on setting up SSO and resolving common issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered similar issues and can offer insights or solutions.
  
  By following these steps, you should be able to identify and resolve the cause of the SAML2116 error in your SAP environment.