How To Fix CNVMBTRFC127 - Destination &1 with version &2 with different clients (&3 <> &4)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTRFC - Messages used in RFC Management and its objects

• Message number: 127

• Message text: Destination &1 with version &2 with different clients (&3 <> &4)

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 CNVMBTRFC127 - Destination &1 with version &2 with different clients (&3 <> &4) ?

  The SAP error message CNVMBTRFC127 typically occurs in the context of a system conversion or migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a mismatch in the client settings between the source and target systems during a remote function call (RFC).
  Cause:
  The error message CNVMBTRFC127 is triggered when:
  
  The destination system (indicated by &1) has a different client version (&3) than the source system (&4).
  This can happen if the systems are not properly aligned in terms of client configuration, or if there are inconsistencies in the client settings between the source and target systems.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Client Configuration:
  
  Verify that the client settings in both the source and target systems are correctly configured. Ensure that the clients are compatible and that the necessary configurations are in place.
  
  
  
  Review RFC Destination:
  
  Go to transaction SM59 in the SAP GUI and check the RFC destination settings. Ensure that the destination is correctly pointing to the intended system and client.
  
  
  
  Client Consistency:
  
  Ensure that both systems are on the same version of SAP and that the clients are set up correctly. If there are discrepancies, you may need to adjust the client settings or create a new client in the target system.
  
  
  
  Transport Requests:
  
  If you are using transport requests, ensure that all necessary objects and configurations have been transported correctly between the systems.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the migration or conversion process you are performing. There may be specific guidelines or prerequisites that need to be followed.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with the error details and any relevant logs to help diagnose the issue.
  
  
  
  Related Information:
  
  Transaction Codes: SM59 (RFC Destinations), ST22 (Dump Analysis), SLG1 (Application Log).
  SAP Notes: Search for specific SAP Notes related to CNVMBTRFC127 or client configuration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its requirements for successful data migration.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNVMBTRFC127 error message.