How To Fix CNVMBTRFC069 - Reading rfc logon info failed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 069

• Message text: Reading rfc logon info failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNVMBTRFC069 - Reading rfc logon info failed ?

  The SAP error message CNVMBTRFC069: Reading RFC logon info failed typically occurs in the context of SAP system migrations or data transfers, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools. This error indicates that there is an issue with reading the Remote Function Call (RFC) logon information, which is essential for establishing connections between different SAP systems.
  Causes:
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This could include incorrect connection parameters, such as the target system's hostname, system number, client, user, or password.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Network Issues: There may be network connectivity problems between the source and target SAP systems, preventing the RFC connection from being established.
  
  
  Missing or Inactive RFC User: The user account used for the RFC connection may be missing, inactive, or locked.
  
  
  SAP Kernel or Software Version Issues: There may be compatibility issues between different versions of SAP systems or components.
  
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify the configuration of the RFC destination being used. Ensure that the connection parameters (such as target host, system number, client, user, and password) are correct.
  Test the connection using the "Connection Test" button in SM59.
  
  
  
  Verify User Authorizations:
  
  Ensure that the user account used for the RFC connection has the necessary authorizations in both the source and target systems.
  Check the roles and profiles assigned to the user.
  
  
  
  Check Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing communication between the systems.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  User Account Status:
  
  Check if the user account is active and not locked in the target system. You can do this in transaction SU01.
  
  
  
  Review SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  
  
  Check System Logs:
  
  Review the system logs (transaction SM21) and the developer trace files (transaction ST22) for any additional error messages or clues related to the RFC connection issue.
  
  
  
  Consult Documentation:
  
  Refer to the official SAP documentation for the specific migration or data transfer tool you are using for any additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: SM59 (RFC Destinations), SU01 (User Maintenance), SM21 (System Log), ST22 (Dump Analysis).
  SAP Notes: Search the SAP Support Portal for notes related to CNVMBTRFC069 or RFC connection issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the CNVMBTRFC069 error in your SAP environment.