How To Fix ST393 - No RFC connection could be established with system &

ST393 - Overview

• Message type: E = Error

• Message class: ST - Terminology Database

• Message number: 393

• Message text: No RFC connection could be established with system &

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ST393 - No RFC connection could be established with system & ?

  The SAP error message ST393 indicates that there is an issue with establishing a Remote Function Call (RFC) connection to a specified system. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of ST393 Error
  
  
  Network Issues: There may be network connectivity problems between the SAP systems. This could be due to firewalls, routing issues, or network outages.
  
  
  Incorrect Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect parameters such as the target system's hostname, system number, or client.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to connect to the target system.
  
  
  Target System Down: The target SAP system may be down or not running, which would prevent any connections from being established.
  
  
  SAP Gateway Issues: The SAP Gateway service on the target system may not be running or may