How To Fix SAML2037 - In client &1 no trusted entity for &2 was found

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 037

• Message text: In client &1 no trusted entity for &2 was found

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 SAML2037 - In client &1 no trusted entity for &2 was found ?

  The SAP error message SAML2037 indicates that in the specified client (denoted as &1), there is no trusted entity configured for the specified entity ID (denoted as &2). This typically occurs in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language).
  Cause:
  The error can arise due to several reasons:
  
  Missing Configuration: The trusted entity (identity provider or service provider) has not been configured in the SAP system for the specified client.
  Incorrect Entity ID: The entity ID provided does not match any of the configured trusted entities in the SAP system.
  Client-Specific Settings: The configuration might exist in another client but not in the one you are currently using.
  Transport Issues: If the configuration was transported from another system, it may not have been transported correctly or completely.
  
  Solution:
  To resolve the SAML2037 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to transaction SAML2 in the SAP GUI.
  Verify that the trusted entity (identity provider or service provider) is correctly configured for the client you are using.
  Ensure that the entity ID matches the one being used in the SAML request.
  
  
  
  Add Trusted Entity:
  
  If the trusted entity is missing, you will need to add it:
  
  In the SAML2 configuration, navigate to the "Trusted Entities" section.
  Click on "Add" and enter the required details for the trusted entity, including the entity ID, certificate, and other necessary settings.
  
  
  
  
  
  Check Client Settings:
  
  Ensure that you are working in the correct client. If the configuration exists in another client, you may need to replicate it or switch to the correct client.
  
  
  
  Review Transport Requests:
  
  If the configuration was supposed to be transported, check the transport requests to ensure they were imported correctly and completely.
  
  
  
  Testing:
  
  After making changes, test the SSO functionality to ensure that the error is resolved.
  
  
  
  Related Information:
  
  SAML Configuration: Familiarize yourself with the SAML configuration in SAP, including how to set up identity providers and service providers.
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to SAML configurations.
  Documentation: Refer to the official SAP documentation for SAML and SSO configurations for detailed steps and best practices.
  
  By following these steps, you should be able to resolve the SAML2037 error and ensure that your SSO configuration is functioning correctly.