How To Fix CNVMBTRFC012 - No RFC Destination type 3 (Connection to R/3 System) found.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 012

• Message text: No RFC Destination type 3 (Connection to R/3 System) found.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTRFC012 - No RFC Destination type 3 (Connection to R/3 System) found. ?

  The SAP error message CNVMBTRFC012 indicates that the system is unable to find a Remote Function Call (RFC) destination of type 3, which is typically used for connecting to an R/3 system. This error often arises during data migration or when using certain tools that require communication with an R/3 system.
  Cause:
  
  Missing RFC Destination: The most common cause is that the required RFC destination has not been created in the SAP system.
  Incorrect Configuration: The RFC destination may exist but is incorrectly configured or inactive.
  Authorization Issues: The user may not have the necessary authorizations to access the RFC destination.
  Network Issues: There could be network connectivity issues preventing the system from reaching the R/3 system.
  System Configuration: The system may not be properly configured to recognize the R/3 system.
  
  Solution:
  
  
  Create or Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check if the RFC destination of type 3 (R/3 connection) exists.
  If it does not exist, create a new RFC destination:
  
  Click on "Create" and enter the necessary details (e.g., target system, connection type, logon credentials).
  Ensure that the connection type is set to "3" for R/3 systems.
  
  
  
  
  
  Test the RFC Connection:
  
  After creating or modifying the RFC destination, use the "Test Connection" feature in SM59 to ensure that the connection is working properly.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the transaction has the necessary authorizations to access the RFC destination.
  
  
  
  Review Network Configuration:
  
  Check for any network issues that might be preventing the connection to the R/3 system. This may involve checking firewalls, VPNs, or other network settings.
  
  
  
  Consult Documentation:
  
  If you are using a specific migration tool or program, refer to its documentation for any additional configuration steps that may be required.
  
  
  
  Check System Logs:
  
  Review system logs (transaction SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  RFC Types: Understand the different types of RFC connections (Type 1 for TCP/IP, Type 2 for TID, Type 3 for R/3).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM59 (RFC destinations), SM21 (system log), and SU53 (authorization check).
  
  By following these steps, you should be able to resolve the CNVMBTRFC012 error and establish a successful connection to the R/3 system.