How To Fix MI_MGMT079 - Technical user does not have permission for an RFC call

SAP Error Message - Details

• Message type: E = Error

• Message class: MI_MGMT - MI: Device Management

• Message number: 079

• Message text: Technical user does not have permission for an RFC call

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MI_MGMT079 - Technical user does not have permission for an RFC call ?

  The SAP error message MI_MGMT079 indicates that a technical user does not have the necessary permissions to perform a Remote Function Call (RFC). This error typically arises in scenarios where a background job, an interface, or a program is trying to execute an RFC-enabled function module, but the user account being used lacks the required authorizations.
  Cause
  The primary causes of this error include:
  
  Missing Authorizations: The technical user does not have the necessary roles or authorizations assigned to perform the RFC call.
  Profile Issues: The user profile may not include the required permissions for the specific function module being called.
  User Type: The user might be set up incorrectly (e.g., as a dialog user instead of a system user).
  Network Issues: Sometimes, network configurations or restrictions can also lead to authorization issues, although this is less common.
  
  Solution
  To resolve the MI_MGMT079 error, follow these steps:
  
  
  Check User Authorizations:
  
  Go to transaction SU01 (User Maintenance) and enter the technical user's ID.
  Check the roles assigned to the user. Ensure that the user has the necessary roles that include permissions for the RFC calls being made.
  
  
  
  Assign Necessary Roles:
  
  If the user lacks the required roles, assign the appropriate roles that include the necessary authorizations for the RFC function modules.
  You may need to consult with your SAP security team to identify the correct roles.
  
  
  
  Review Authorization Objects:
  
  Use transaction SU53 immediately after the error occurs to analyze the missing authorizations.
  This transaction will show you the last authorization check and help identify which specific authorization object is missing.
  
  
  
  Check User Type:
  
  Ensure that the user is set up as a technical user (system user) rather than a dialog user. This can be checked in the user maintenance screen.
  
  
  
  Test the RFC Connection:
  
  Use transaction SM59 to test the RFC connection. Ensure that the connection is working correctly and that the technical user can connect without issues.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  Log Analysis:
  
  Review the system logs (transaction SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information
  
  Authorization Objects: Common authorization objects related to RFC calls include S_RFC, S_RFC_ADM, and S_RFC_AUTH.
  User Management: Familiarize yourself with user management transactions like SU01, PFCG (Role Maintenance), and SU53 (Authorization Check).
  SAP Documentation: Refer to SAP Help documentation for detailed information on user roles and authorizations.
  
  By following these steps, you should be able to identify and resolve the authorization issue causing the MI_MGMT079 error. If the problem persists, consider reaching out to your SAP Basis or security team for further assistance.