How To Fix /IWFND/CM_BEC021 - RFC Error: User misses authorization object S_RFCACL in backend system

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_BEC -

• Message number: 021

• Message text: RFC Error: User misses authorization object S_RFCACL in backend system

Self-Explanatory Message

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• What is the cause and solution for SAP error message /IWFND/CM_BEC021 - RFC Error: User misses authorization object S_RFCACL in backend system ?

  The SAP error message /IWFND/CM_BEC021 RFC Error: User misses authorization object S_RFCACL in backend system indicates that the user attempting to access a service in the SAP Gateway does not have the necessary authorization to perform the requested action in the backend system. The authorization object S_RFCACL is specifically related to Remote Function Call (RFC) access control.
  Cause:
  The error occurs when:
  
  The user does not have the required authorization for the RFC call being made to the backend system.
  The authorization object S_RFCACL is not assigned to the user or the user's role in the backend system.
  The user may be trying to access a service that requires specific permissions that are not granted.
  
  Solution:
  To resolve this issue, you can follow these steps:
  
  
  Check User Authorizations:
  
  Use transaction SU01 to check the user’s authorizations.
  Verify if the user has the necessary roles assigned that include the S_RFCACL authorization object.
  
  
  
  Assign the Required Authorization:
  
  If the user does not have the S_RFCACL authorization, you need to assign it. This can be done by:
  
  Modifying the existing role or creating a new role that includes the S_RFCACL authorization object.
  Ensure that the role has the necessary values for the fields in the S_RFCACL object, such as:
  
  RFC Function Group
  RFC Function Module
  Activity (e.g., 01 for Execute)
  
  
  
  
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that any changes made to roles or authorizations are transported to the appropriate systems (e.g., QA, Production).
  
  
  
  Testing:
  
  After making the necessary changes, test the access again to ensure that the user can successfully perform the required actions without encountering the error.
  
  
  
  Consult Security Team:
  
  If you do not have the necessary permissions to change roles or authorizations, consult your SAP security team for assistance.
  
  
  
  Related Information:
  
  
  Authorization Object S_RFCACL:
  
  This object controls access to RFC calls and is crucial for ensuring that only authorized users can execute specific RFC-enabled function modules.
  
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU53: Display Authorization Check (to analyze authorization issues)
  
  
  
  Documentation:
  
  Refer to SAP documentation for detailed information on authorization objects and their configuration.
  
  
  
  By following these steps, you should be able to resolve the authorization issue related to the /IWFND/CM_BEC021 error message.