How To Fix SAML2048 - Access by the SOAP request to &1 was denied with status &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 048

• Message text: Access by the SOAP request to &1 was denied with status &2

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Status 401 was returned. Access denied.

How to fix this error?

Contact the administrator of the entity, to which access was attempted.
The logon data prevent communication. Use an HTTP destination and
configure the logon data and the SSL client values as needed.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SAML2048 - Access by the SOAP request to &1 was denied with status &2 ?

  The SAP error message SAML2048 indicates that access to a specific resource via a SOAP request has been denied. This error typically arises in the context of Single Sign-On (SSO) configurations using SAML (Security Assertion Markup Language). The message provides two key pieces of information: the resource that was accessed (denoted by &1) and the HTTP status code that indicates the nature of the denial (denoted by &2).
  Causes:
  
  Authentication Issues: The user may not be properly authenticated, or the SAML assertion may not be valid.
  Authorization Issues: The user may not have the necessary permissions to access the requested resource.
  Configuration Errors: There may be misconfigurations in the SAML setup, such as incorrect endpoints, certificates, or trust relationships.
  Expired Tokens: The SAML token may have expired, leading to access denial.
  Network Issues: There could be network-related issues preventing the SOAP request from reaching the intended service.
  
  Solutions:
  
  
  Check User Authentication:
  
  Ensure that the user is properly authenticated and that the SAML assertion is valid.
  Verify that the user has logged in successfully and that the SAML response is being received correctly.
  
  
  
  Review Authorization Settings:
  
  Check the authorization roles assigned to the user. Ensure that the user has the necessary permissions to access the resource.
  Review the authorization objects and roles in the SAP system to ensure they are correctly configured.
  
  
  
  Validate SAML Configuration:
  
  Review the SAML configuration settings in both the Identity Provider (IdP) and Service Provider (SP) to ensure they are correct.
  Check the endpoints, certificates, and trust relationships to ensure they are properly set up.
  
  
  
  Check Token Validity:
  
  Ensure that the SAML token has not expired. If it has, the user may need to re-authenticate to obtain a new token.
  
  
  
  Examine Network Connectivity:
  
  Check for any network issues that may be preventing the SOAP request from reaching the intended service.
  Ensure that firewalls or proxies are not blocking the request.
  
  
  
  Review Logs:
  
  Check the SAP system logs and SAML logs for more detailed error messages that can provide additional context about the failure.
  
  
  
  Related Information:
  
  SAML Assertions: Understand how SAML assertions work and the information they carry, including authentication statements and attribute statements.
  SAP Security Configuration: Familiarize yourself with SAP security settings, including user roles, profiles, and authorization objects.
  SOAP Protocol: Review the SOAP protocol specifications to understand how requests and responses are structured.
  Documentation: Refer to SAP documentation for SAML and SSO configurations for specific guidance on troubleshooting and best practices.
  
  By following these steps, you should be able to diagnose and resolve the SAML2048 error in your SAP environment.