How To Fix WN777 - No RFC authorization for user &.

SAP Error Message - Details

• Message type: E = Error

• Message class: WN - Plant master data maintenance (integrated)

• Message number: 777

• Message text: No RFC authorization for user &.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WN777 - No RFC authorization for user &. ?

  The SAP error message WN777 indicates that there is no Remote Function Call (RFC) authorization for the specified user. This typically occurs when a user attempts to execute a function module or transaction that requires specific authorizations, and the system cannot verify that the user has the necessary permissions.
  Cause:
  
  Missing Authorizations: The user does not have the required authorizations assigned in their user profile to perform the requested action.
  Role Assignment: The roles assigned to the user may not include the necessary authorizations for the RFC call.
  Profile Issues: The user profile may not be correctly configured, or the necessary authorization objects may not be included in the profile.
  System Configuration: There may be system-level restrictions or configurations that prevent the user from executing RFC calls.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU01 to check the user’s authorizations.
  Review the roles assigned to the user and ensure that they include the necessary authorization objects for the RFC call.
  
  
  
  Assign Missing Roles:
  
  If the user lacks the required roles, assign the appropriate roles that contain the necessary authorizations.
  Use transaction code PFCG to manage roles and authorization profiles.
  
  
  
  Authorization Objects:
  
  Identify the specific authorization objects required for the RFC call. This can often be found in the documentation for the function module or transaction being called.
  Ensure that these authorization objects are included in the user’s roles.
  
  
  
  Testing:
  
  After making changes, test the RFC call again to verify that the issue has been resolved.
  
  
  
  Consult Security Team:
  
  If you are not authorized to make changes to user roles or authorizations, contact your SAP security team for assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU53: Display Authorization Check (to analyze authorization issues)
  
  
  
  Authorization Objects: Common authorization objects related to RFC calls include S_RFC, S_RFC_ADM, and S_USER_AUTH.
  
  
  Documentation: Refer to SAP documentation or your organization’s internal guidelines for managing user authorizations and roles.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to RFC authorizations.
  
  
  By following these steps, you should be able to identify and resolve the authorization issue causing the WN777 error message.