How To Fix WSS041 - Missing credential. Specify encryption certificate of provider system.

SAP Error Message - Details

• Message type: E = Error

• Message class: WSS - Web Services Security

• Message number: 041

• Message text: Missing credential. Specify encryption certificate of provider system.

Self-Explanatory Message

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• What is the cause and solution for SAP error message WSS041 - Missing credential. Specify encryption certificate of provider system. ?

  SAP Error Message:
  
  WSS041 Missing credential. Specify encryption certificate of provider system.
  
  Cause:
  This error occurs in SAP systems when a required encryption certificate (credential) for a provider system is missing or not specified in the Web Service Security (WSS) configuration. Specifically, the system expects an encryption certificate to encrypt messages or to establish a secure communication channel, but it cannot find the certificate associated with the provider system.
  This typically happens in scenarios involving:
  
  Web Service Security (WS-Security) configurations.
  Secure communication between SAP systems or between SAP and external systems.
  When the encryption certificate for the provider system has not been imported or assigned.
  When the certificate has expired or is invalid.
  When the configuration in the SOAMANAGER or STRUST is incomplete or incorrect.
  
  
  Solution:
  To resolve the WSS041 error, follow these steps:
  
  
  Check the Certificate in STRUST:
  
  Go to transaction STRUST.
  Verify that the encryption certificate for the provider system is imported and valid.
  If missing, import the correct encryption certificate from the provider system.
  Ensure the certificate is not expired and is trusted.
  
  
  
  Assign the Certificate in SOAMANAGER:
  
  Open transaction SOAMANAGER.
  Navigate to the relevant Web Service configuration.
  Under the Security tab, check the Credential or Encryption settings.
  Specify the correct encryption certificate (credential) for the provider system.
  Save and activate the configuration.
  
  
  
  Check the Web Service Security Policy:
  
  Ensure that the WS-Security policy applied to the service requires encryption and that the certificate is correctly assigned.
  If necessary, adjust the policy or assign the correct certificate.
  
  
  
  Verify Communication Channel:
  
  If the communication is via PI/PO or other middleware, ensure the certificate is correctly configured there as well.
  
  
  
  Test the Connection:
  
  After updating the certificate, test the web service call again.
  The error should no longer appear if the certificate is correctly specified.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  STRUST – Trust Manager, for managing certificates.
  SOAMANAGER – Web Service Configuration.
  SM59 – RFC Destinations (sometimes relevant for communication setup).
  
  
  
  SAP Notes:
  
  Check SAP Notes related to WS-Security and certificate management for your SAP version.
  
  
  
  Documentation:
  
  SAP Help Portal on WS-Security and certificate management.
  SAP Web Service Security Guide.
  
  
  
  Common Scenarios:
  
  Integration between SAP systems using Web Services.
  Secure communication with external partners.
  Use of X.509 certificates for message encryption.
  
  
  
  
  Summary:
  The error WSS041 Missing credential indicates that the SAP system cannot find the required encryption certificate for the provider system in the WS-Security setup. To fix it, import and assign the correct encryption certificate in STRUST and SOAMANAGER, ensuring the security configuration is complete and valid.