How To Fix RSAPI_CTC042 - Authorization check failed for user of RFC destination &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAPI_CTC - Messages to be shown for BW SAPI configurations

• Message number: 042

• Message text: Authorization check failed for user of RFC destination &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSAPI_CTC042 - Authorization check failed for user of RFC destination &1 ?

  The SAP error message RSAPI_CTC042 indicates that there is an authorization check failure for a user when trying to access a Remote Function Call (RFC) destination. This error typically occurs in scenarios where a user is trying to execute a function module or access a service that requires specific authorizations.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Authorizations: The user does not have the necessary authorizations to execute the function module or access the RFC destination.
  Incorrect User Mapping: The user credentials used for the RFC connection may not be correctly mapped or may not have the required roles assigned.
  Profile Issues: The user profile may not include the necessary authorizations for the specific actions being attempted.
  RFC Destination Configuration: The RFC destination may not be configured correctly, leading to authorization checks failing.
  
  Solution:
  To resolve the RSAPI_CTC042 error, you can follow these steps:
  
  
  Check User Authorizations:
  
  Use transaction code SU01 to check the user profile of the user encountering the error.
  Verify that the user has the necessary roles and authorizations assigned to perform the required actions.
  
  
  
  Review RFC Destination Settings:
  
  Go to transaction code SM59 to check the configuration of the RFC destination.
  Ensure that the user credentials specified in the RFC destination are correct and that the user has the necessary authorizations.
  
  
  
  Assign Missing Roles:
  
  If the user is missing roles, assign the appropriate roles that include the necessary authorizations for the function module or service being accessed.
  
  
  
  Test the RFC Connection:
  
  After making changes, test the RFC connection using the Connection Test option in transaction SM59 to ensure that the connection is working correctly.
  
  
  
  Check for Profile Parameters:
  
  Ensure that the relevant profile parameters are set correctly in the system, as they can affect authorization checks.
  
  
  
  Consult Security Team:
  
  If you are unsure about the required authorizations, consult your SAP security team or administrator to help identify and assign the necessary roles.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  SM59: RFC Destinations
  PFCG: Role Maintenance (to manage roles and authorizations)
  
  
  
  Authorization Objects: Familiarize yourself with the relevant authorization objects that may be required for the function module or service being accessed. Common authorization objects include:
  
  S_RFC: RFC Authorization
  S_USER_AUTH: User Authorization
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or fixes related to this error.
  
  
  By following these steps, you should be able to identify and resolve the authorization check failure associated with the RSAPI_CTC042 error message.