How To Fix RPM_INTEGRATION158 - User authentication failed

SAP Error Message - Details

• Message type: E = Error

• Message class: RPM_INTEGRATION - Integration Messages

• Message number: 158

• Message text: User authentication failed

Self-Explanatory Message

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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 RPM_INTEGRATION158 - User authentication failed ?

  The SAP error message RPM_INTEGRATION158, which indicates "User authentication failed," typically arises in the context of SAP's integration with other systems or applications, particularly when using the SAP Resource and Portfolio Management (RPM) module. This error suggests that the credentials provided for user authentication are incorrect or that there is an issue with the authentication process.
  Causes:
  
  Incorrect Credentials: The username or password entered may be incorrect.
  User Lockout: The user account may be locked due to multiple failed login attempts.
  Expired Password: The user's password may have expired and needs to be reset.
  Authorization Issues: The user may not have the necessary authorizations to access the system or specific transactions.
  Integration Issues: If the error occurs during integration with another system, there may be issues with the configuration or settings in the integration layer.
  Network Issues: Connectivity problems between the SAP system and the authentication server (e.g., LDAP, Active Directory) can also lead to authentication failures.
  
  Solutions:
  
  Verify Credentials: Ensure that the username and password are entered correctly. Check for typos or case sensitivity.
  Unlock User Account: If the account is locked, an administrator can unlock it using transaction code SU01.
  Reset Password: If the password has expired, the user should reset it. This can typically be done through the SAP GUI or by contacting an administrator.
  Check Authorizations: Ensure that the user has the necessary roles and authorizations assigned. This can be checked using transaction code SU53 to analyze authorization failures.
  Review Integration Settings: If the error occurs during integration, review the configuration settings in the integration layer (e.g., middleware settings, connection parameters).
  Network Connectivity: Check network connections and ensure that the SAP system can communicate with any external authentication services.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU53: Display Authorization Check
  PFCG: Role Maintenance
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to user authentication errors.
  Logs: Review system logs (SM21) and security audit logs (SM20) for more detailed error messages that can provide additional context.
  Documentation: Refer to SAP documentation for user management and authentication processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.