How To Fix CNV225 - No RFC connection to backup system &1. Check the connection!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 225

• Message text: No RFC connection to backup system &1. Check the connection!

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 CNV225 - No RFC connection to backup system &1. Check the connection! ?

  The SAP error message "CNV225 No RFC connection to backup system &1. Check the connection!" typically indicates that there is an issue with the Remote Function Call (RFC) connection to a backup system specified in the error message. This can occur during data migration or system conversion processes, particularly when using tools like SAP S/4HANA Migration Cockpit or SAP Landscape Transformation (SLT).
  Causes:
  
  Network Issues: There may be network connectivity problems between the source system and the backup system.
  RFC Destination Configuration: The RFC destination for the backup system may not be correctly configured in the SAP system.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to connect to the backup system.
  System Availability: The backup system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the backup system.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like