How To Fix R1665 - The standard RFC destination must not be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: R1 - Business Partner Messages from S_BUPA_GENERAL

• Message number: 665

• Message text: The standard RFC destination must not be deleted

What causes this issue?

You tried to delete an RFC destination that is marked as the standard.
This is not possible.

System Response

System issues an error message

How to fix this error?

Flag a different RFC destination as being the standard.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R1665 - The standard RFC destination must not be deleted ?

  The SAP error message R1665, "The standard RFC destination must not be deleted," typically occurs when there is an attempt to delete a standard RFC (Remote Function Call) destination that is essential for the system's operation. Standard RFC destinations are predefined connections that SAP uses for various internal processes and communication between systems.
  Cause:
  
  Attempt to Delete Standard RFC Destination: The most common cause of this error is an attempt to delete a standard RFC destination that is required by the system.
  Misconfiguration: Sometimes, users may mistakenly identify a standard RFC destination as unnecessary and try to delete it.
  System Maintenance: During system maintenance or configuration changes, users may inadvertently try to remove standard destinations.
  
  Solution:
  
  Do Not Delete: The primary solution is to refrain from deleting standard RFC destinations. These destinations are critical for the functioning of various SAP processes.
  Check RFC Configuration: If you believe the RFC destination is not needed, verify its usage in the system. You can check the configuration and see if it is being used by any processes or applications.
  Consult Documentation: Refer to SAP documentation or consult with your SAP Basis team to understand the purpose of the RFC destination before making any changes.
  Use Transaction SM59: If you need to manage RFC destinations, use transaction code SM59 to view and manage RFC connections. Ensure you are only modifying non-standard or custom RFC destinations.
  Seek Help from SAP Support: If you are unsure about the implications of deleting a specific RFC destination, consider reaching out to SAP support for guidance.
  
  Related Information:
  
  RFC Destinations: RFC destinations are used for communication between different SAP systems or between SAP and non-SAP systems. They can be configured as "T" (TCP/IP), "G" (HTTP), or "H" (HTTP connection to an external server).
  Transaction Codes: Familiarize yourself with transaction codes like SM59 (RFC Destinations) and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions related to RFC destinations and this specific error message.
  
  In summary, the error R1665 indicates that a standard RFC destination is critical for system operations and should not be deleted. Always verify the necessity of any RFC destination before making changes.