How To Fix IHC850 - Missing authorization to execute External RFC (Module: &)

SAP Error Message - Details

• Message type: E = Error

• Message class: IHC - IHC Messages

• Message number: 850

• Message text: Missing authorization to execute External RFC (Module: &)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IHC850 - Missing authorization to execute External RFC (Module: &) ?

  The SAP error message IHC850 indicates that there is a missing authorization to execute an External RFC (Remote Function Call) in the context of the Integrated Communication (IHC) module. This error typically arises when a user or a system does not have the necessary permissions to perform a specific action that involves calling an external RFC.
  Cause:
  
  Missing Authorization: The user or system executing the RFC does not have the required authorization object for the action.
  Incorrect Role Assignment: The user may not have the correct roles assigned that include the necessary authorizations.
  Profile Issues: The user profile may not be configured correctly to allow for external RFC calls.
  Configuration Errors: There may be issues in the configuration of the IHC settings or the RFC destination.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after the error occurs to check which authorization is missing.
  Review the authorization objects related to RFC calls, such as S_RFC, S_RFC_ADM, or any custom authorization objects that may be relevant.
  
  
  
  Assign Necessary Roles:
  
  Ensure that the user has the appropriate roles assigned that include the necessary authorizations for executing external RFCs.
  You can use transaction code PFCG to manage roles and authorizations.
  
  
  
  Modify User Profile:
  
  If the user profile is missing necessary authorizations, you may need to adjust the profile settings or create a new profile that includes the required authorizations.
  
  
  
  Check RFC Destination:
  
  Verify the configuration of the RFC destination being called. Ensure that it is correctly set up and that the user has the necessary permissions to access it.
  Use transaction code SM59 to check the RFC destination settings.
  
  
  
  Consult with Basis Team:
  
  If you are unable to resolve the issue, consult with your SAP Basis team or security administrator. They can help identify the missing authorizations and make the necessary adjustments.
  
  
  
  Related Information:
  
  Authorization Objects: Familiarize yourself with the relevant authorization objects for RFC calls, such as S_RFC, which controls access to RFC function modules.
  Transaction Codes:
  
  SU53: Display authorization check.
  PFCG: Role maintenance.
  SM59: RFC destination maintenance.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to IHC and RFC authorizations.
  
  By following these steps, you should be able to identify and resolve the authorization issue causing the IHC850 error message.