How To Fix TN629 - Target system ID &1 does not match local system ID &2

TN629 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 629

• Message text: Target system ID &1 does not match local system ID &2

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 TN629 - Target system ID &1 does not match local system ID &2 ?

  The SAP error message TN629 indicates a mismatch between the target system ID and the local system ID during a communication attempt, typically in the context of RFC (Remote Function Call) or ALE (Application Link Enabling) communications. Here’s a breakdown of the cause, solution, and related information for this error:
  
  Cause:
  
  System ID Mismatch: The error occurs when the system ID of the target system (the system you are trying to connect to) does not match the local system ID (the system you are currently in). This can happen if:
  The target system is incorrectly configured in the RFC destination.
  The system ID has been changed or is not correctly set up in the SAP system.
  There is a misconfiguration in the logical system settings.
  
  
  
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 (RFC Destinations).
  Find the RFC destination that you are trying to use and check its configuration.
  Ensure that the target system ID specified in the RFC destination