How To Fix CNV_MBT048 - Connection to one or more RFC destinations failed

CNV_MBT048 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 048

• Message text: Connection to one or more RFC destinations failed

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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CNV_MBT048 - Details

• The SAP error message CNV_MBT048 indicates that there is a failure in establishing a connection to one or more RFC (Remote Function Call) destinations. This error typically arises during data migration or system conversion processes, particularly when using tools like SAP S/4HANA Migration Cockpit or other data transfer methods.
  Causes:
  
  
  Incorrect RFC Destination Configuration: The RFC destination may not be configured correctly in the SAP system. This includes incorrect connection parameters such as the target system's hostname, system number, client, user credentials, etc.
  
  
  Network Issues: There may be network connectivity issues between the source and target systems, such as firewalls blocking the connection or network outages.
  
  
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  
  
  Target System Unavailability: The target SAP system may be down or not reachable due to maintenance or other issues.
  
  
  SAP Gateway Issues: The SAP Gateway service may not be