How To Fix TB428 - Remote system & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: TB - SM31 table maintenance messages

• Message number: 428

• Message text: Remote system & is not defined

What causes this issue?

The specified remote system does not exist.

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?

Please use Transaction SM59 to maintain the RFC destination.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TB428 - Remote system & is not defined ?

  The SAP error message TB428, which states "Remote system & is not defined," typically occurs when there is an issue with the configuration of a remote system in the SAP landscape. This error can arise in various contexts, such as when trying to perform remote function calls (RFC), data transfers, or when accessing remote systems in a distributed environment.
  Cause:
  
  Missing Configuration: The remote system has not been defined in the SAP system's configuration.
  Incorrect RFC Destination: The RFC destination for the remote system is either not created or incorrectly configured.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the remote system.
  Authorization Issues: The user may not have the necessary authorizations to access the remote system.
  System Name Mismatch: The name of the remote system may not match the expected name in the configuration.
  
  Solution:
  
  
  Define the Remote System:
  
  Go to transaction code SM59 (RFC Destinations).
  Check if the remote system is listed. If not, create a new RFC destination for the remote system.
  Ensure that the connection type (e.g., T, 3, etc.) is appropriate for your use case.
  
  
  
  Check Configuration:
  
  Verify the settings of the RFC destination, including the target host, system number, and client.
  Test the connection using the "Connection Test" button in SM59 to ensure it is working correctly.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing access to the remote system.
  Check if the remote system is up and running.
  
  
  
  Authorization:
  
  Ensure that the user has the necessary authorizations to access the remote system.
  Check the roles and profiles assigned to the user.
  
  
  
  System Name Verification:
  
  Verify that the name of the remote system in the configuration matches the actual name of the remote system.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and the application logs for any additional error messages that may provide more context.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SM21: System log.
  ST22: Dump analysis (for ABAP runtime errors).
  SLG1: Application log.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the TB428 error.
  
  
  By following these steps, you should be able to resolve the TB428 error and successfully configure the remote system in your SAP environment.