How To Fix IU726 - RFC destination & is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 726

• Message text: RFC destination & is unknown

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU726 - RFC destination & is unknown ?

  The SAP error message IU726 indicates that the RFC (Remote Function Call) destination specified is unknown. This typically occurs when a program or transaction attempts to connect to an RFC destination that has not been defined in the system or is incorrectly configured.
  Causes:
  
  Missing RFC Destination: The specified RFC destination does not exist in the SAP system.
  Incorrect Configuration: The RFC destination may exist but is not configured correctly (e.g., wrong connection parameters).
  Authorization Issues: The user may not have the necessary authorizations to access the specified RFC destination.
  Network Issues: There may be network connectivity issues preventing access to the destination.
  Typographical Errors: There could be a typo in the name of the RFC destination in the code or configuration.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 (RFC Destinations).
  Verify if the specified RFC destination exists.
  If it does not exist, create a new RFC destination with the correct parameters.
  
  
  
  Verify Configuration:
  
  If the RFC destination exists, check its configuration settings (e.g., target host, system number, client, user credentials).
  Test the connection using the "Connection Test" option in SM59.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the transaction has the necessary authorizations to access the RFC destination.
  You can check user roles and authorizations in transaction SU01.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing the connection to the target system.
  Check firewall settings and network configurations.
  
  
  
  Correct Typographical Errors:
  
  Review the code or configuration where the RFC destination is referenced to ensure there are no typos.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SU01: User Maintenance
  ST22: Dump Analysis (to check for any related dumps)
  SLG1: Application Log (to check for logs related to the error)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting RFC-related issues.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to RFC destinations.
  
  
  By following these steps, you should be able to identify and resolve the issue related to the RFC destination being unknown.