How To Fix CNVMBTRFC134 - Connection state for destination &1 set to '&2'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 134

• Message text: Connection state for destination &1 set to '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTRFC134 - Connection state for destination &1 set to '&2' ?

  The SAP error message CNVMBTRFC134 indicates an issue with the connection state for a specific RFC (Remote Function Call) destination. The message typically appears in the context of data migration or system conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message CNVMBTRFC134 can occur due to several reasons, including:
  
  
  Incorrect RFC Destination Configuration: The RFC destination specified may not be correctly configured in the SAP system. This could include incorrect connection parameters, such as the target system's hostname, system number, or client.
  
  
  Network Issues: There may be network connectivity issues between the source and target systems, preventing successful communication.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to perform the required operations.
  
  
  Destination State: The state of the destination may be set to "inactive" or "error," which would prevent any connections from being established.
  
  
  System Load: High load on the target system may lead to connection issues, causing the destination to be temporarily unavailable.
  
  
  Solution:
  To resolve the CNVMBTRFC134 error, you can take the following steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination mentioned in the error message.
  Verify that the connection parameters (such as target host, system number, client, user, and password) are correct.
  
  
  
  Test the Connection:
  
  In transaction SM59, select the RFC destination and use the "Test Connection" button to check if the connection can be established successfully.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no network issues preventing communication between the systems. You can use tools like ping or telnet to check connectivity.
  
  
  
  Review User Authorizations:
  
  Ensure that the user credentials used for the RFC connection have the necessary authorizations to perform the required actions.
  
  
  
  Check Destination State:
  
  In transaction SM59, check the state of the RFC destination. If it is set to "inactive" or "error," you may need to reactivate it or troubleshoot the underlying issue.
  
  
  
  Monitor System Load:
  
  If the target system is under heavy load, consider scheduling the operation during off-peak hours or optimizing the system performance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM59: RFC Destinations
  SM21: System Log (to check for related error messages)
  ST22: Dump Analysis (to check for ABAP runtime errors)
  SICF: Check if the HTTP services are active if using HTTP connections.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  
  
  Documentation: Review the SAP documentation for the specific migration or conversion tool you are using, as it may provide additional context or troubleshooting steps.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the CNVMBTRFC134 error message.