How To Fix ST389 - The RFC connection could not be created

ST389 - Overview

• Message type: E = Error

• Message class: ST - Terminology Database

• Message number: 389

• Message text: The RFC connection could not be created

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.

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

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ST389 - The RFC connection could not be created ?

  The SAP error message ST389, which states "The RFC connection could not be created," typically indicates an issue with the Remote Function Call (RFC) connection setup in the SAP system. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of ST389 Error
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in transaction SM59. This could include incorrect connection parameters, such as the target system's hostname, system number, client, user credentials, or other settings.
  
  
  Network Issues: There may be network connectivity problems between the SAP systems. This could include firewall settings, DNS resolution issues, or network outages.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to establish the connection.
  
  
  SAP Gateway Issues: The SAP Gateway service may not be running on the target system, or there may be issues with the gateway