How To Fix /SPE/IF_SERVICES064 - External RFC not allowed

/SPE/IF_SERVICES064 - Overview

• Message type: E = Error

• Message class: /SPE/IF_SERVICES -

• Message number: 064

• Message text: External RFC not allowed

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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/SPE/IF_SERVICES064 - Details

• The SAP error message /SPE/IF_SERVICES064 External RFC not allowed typically indicates that there is an issue with the configuration of Remote Function Calls (RFC) in your SAP system. This error usually arises when an external RFC call is attempted, but the system is configured to disallow such calls for security or configuration reasons.
  
  Cause:
  
  Configuration Settings: The system may be configured to restrict external RFC calls for security reasons. This is often done to prevent unauthorized access to the system.
  Authorization Issues: The user or system making the RFC call may not have the necessary authorizations to perform the action.
  Network Restrictions: There may be network policies or firewall settings that prevent external RFC calls from being established.
  
  
  Solution:
  
  Check RFC Destination: Ensure that the RFC destination you are trying to use is correctly configured in transaction SM59. Verify that the destination is set up for external calls if that is intended.
  Review Authorization: Check the user