How To Fix WSS202 - Error when generating the configuration for WS Security logon

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 202

• Message text: Error when generating the configuration for WS Security logon

Self-Explanatory Message

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• What is the cause and solution for SAP error message WSS202 - Error when generating the configuration for WS Security logon ?

  SAP Error Message:
  
  WSS202 – Error when generating the configuration for WS Security logon
  
  Cause
  The error WSS202 typically occurs during the generation or configuration of WS-Security logon settings in SAP Web Services. The root causes can include:
  
  Incorrect or missing WS-Security configuration parameters: For example, missing or invalid user credentials, certificates, or security tokens.
  Problems with the security token service (STS): If the STS is not reachable or misconfigured.
  Certificate issues: Expired, missing, or incorrectly imported certificates in the SAP system or the client.
  Incorrect or incomplete configuration in SOAMANAGER: The Web Service configuration in SOAMANAGER might be incomplete or inconsistent.
  Authorization issues: The user performing the configuration might lack necessary authorizations.
  System inconsistencies or transport issues: Sometimes, inconsistencies in the system or transport of configuration objects can cause this error.
  
  
  Solution
  To resolve the WSS202 error, follow these steps:
  
  
  Check WS-Security Configuration in SOAMANAGER:
  
  Go to transaction SOAMANAGER.
  Verify the WS-Security configuration for the relevant web service.
  Ensure that the security policy is correctly assigned.
  Check that the user credentials, certificates, and tokens are correctly maintained.
  
  
  
  Verify Certificates:
  
  Check if the certificates used for WS-Security are valid and not expired.
  Ensure that the certificates are imported correctly into the SAP system’s certificate store (STRUST).
  If using client certificates, verify that the client certificate is properly configured.
  
  
  
  Check Security Token Service (STS):
  
  If your configuration uses STS, verify that the STS endpoint is reachable and correctly configured.
  Test the STS connection.
  
  
  
  User Authorizations:
  
  Ensure the user performing the configuration has the necessary authorizations, such as:
  
  S_ICF for ICF services.
  S_SERVICE for web service configuration.
  S_WSS for WS-Security administration.
  
  
  
  
  
  Review Logs and Traces:
  
  Check the system logs (SM21), developer traces (ST22), and ICF logs for more detailed error messages.
  Look for any related errors that might give more context.
  
  
  
  Re-generate or Re-import Configuration:
  
  Sometimes, deleting and re-creating the WS-Security configuration or re-importing the configuration objects can help.
  
  
  
  SAP Notes and Support:
  
  Search for SAP Notes related to WSS202 error.
  For example, SAP Note 1789271 or others related to WS-Security configuration might provide patches or detailed instructions.
  
  
  
  
  Related Information
  
  Transaction SOAMANAGER: Central tool for configuring Web Services and WS-Security in SAP.
  STRUST: Certificate management transaction.
  ICF (Internet Communication Framework): Ensure relevant services are active.
  SAP Help Portal: Documentation on WS-Security and Web Service configuration.
  SAP Notes: Always check for the latest SAP Notes related to WS-Security errors.
  Authorization Objects: S_WSS, S_SERVICE, S_ICF.
  
  
  Summary
  
  
  
  Aspect
  Details
  
  
  
  
  Cause
  Incorrect WS-Security config, certificate issues, STS problems, authorization issues.
  
  
  Solution
  Verify SOAMANAGER config, check certificates in STRUST, ensure STS connectivity, check authorizations, review logs, re-generate config.
  
  
  Related Info
  SOAMANAGER, STRUST, ICF, SAP Notes, authorization objects (S_WSS, S_SERVICE).
  
  
  
  
  If you provide more specific context (e.g., exact step when error occurs, system version), I can help tailor the solution further.