How To Fix DMC_AUTH_CHECK016 - Cannot add RFC user &1; communication scenario &2

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_AUTH_CHECK - Messages for Authority Check

• Message number: 016

• Message text: Cannot add RFC user &1; communication scenario &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_AUTH_CHECK016 - Cannot add RFC user &1; communication scenario &2 ?

  The SAP error message DMC_AUTH_CHECK016 indicates that there is an issue with adding a Remote Function Call (RFC) user due to authorization problems related to a specific communication scenario. This error typically arises in the context of SAP Data Management and Cloud (DMC) or when dealing with SAP Cloud Platform Integration (CPI).
  Cause:
  The error can occur due to several reasons:
  
  Insufficient Authorizations: The user attempting to add the RFC user does not have the necessary authorizations to perform this action.
  Incorrect Communication Scenario: The communication scenario specified may not be correctly configured or may not exist.
  User Role Issues: The user roles assigned to the RFC user may not be appropriate for the actions being attempted.
  System Configuration: There may be issues with the system configuration that prevent the addition of the RFC user.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check User Authorizations:
  
  Ensure that the user trying to add the RFC user has the necessary authorizations. This typically includes roles related to user management and RFC configuration.
  You may need to assign additional roles or permissions to the user.
  
  
  
  Verify Communication Scenario:
  
  Check if the communication scenario specified in the error message is correctly configured in the system.
  Ensure that the scenario exists and is active.
  
  
  
  Review User Roles:
  
  Make sure that the RFC user being added has the appropriate roles assigned that allow it to perform the required actions.
  You can check the roles assigned to the user in transaction SU01.
  
  
  
  System Configuration:
  
  Review the system configuration settings related to RFC connections and ensure that they are set up correctly.
  Check for any inconsistencies in the configuration that might be causing the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific communication scenario and user management for additional guidance.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant logs.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SU01 (User Maintenance), PFCG (Role Maintenance), and SM59 (RFC Destinations) to manage users and check configurations.
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP Help Portal for information on user management and RFC configuration.
  
  By following these steps, you should be able to identify and resolve the issue causing the DMC_AUTH_CHECK016 error.