How To Fix RSAOLTP304 - The RFC connection for destination &1 does not work

RSAOLTP304 - Overview

• Message type: E = Error

• Message class: RSAOLTP - Notifications in OLTP Source Environment

• Message number: 304

• Message text: The RFC connection for destination &1 does not work

What causes this issue?

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System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAOLTP304 - The RFC connection for destination &1 does not work ?

  The SAP error message RSAOLTP304 indicates that there is an issue with the Remote Function Call (RFC) connection for a specified destination. This error typically arises when the system is unable to establish a connection to the target system defined in the RFC destination.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Incorrect Configuration: The RFC destination may be incorrectly configured, including wrong parameters such as the hostname, system number, or client.
  Target System Down: The target SAP system may be down or not reachable.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  SAP Gateway Issues: The SAP Gateway service may not be running on the target system.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the target system is reachable from the source system.
  Ensure that there