How To Fix CNV_MBT_DEX049 - RFC error. Check from Define RFC Destinations activity

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_DEX - DMIS Data Extract related messages

• Message number: 049

• Message text: RFC error. Check from Define RFC Destinations activity

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_DEX049 - RFC error. Check from Define RFC Destinations activity ?

  The SAP error message CNV_MBT_DEX049 typically indicates an issue related to Remote Function Call (RFC) communication between systems. This error often arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message CNV_MBT_DEX049 usually points to a problem with the RFC destination configuration. Common causes include:
  
  Incorrect RFC Destination Configuration: The RFC destination may not be set up correctly in the SAP system.
  Network Issues: There may be network connectivity problems between the systems involved.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  System Availability: The target system may be down or not reachable.
  Incorrect Parameters: The parameters defined in the RFC destination may be incorrect or incomplete.
  
  Solution:
  To resolve the CNV_MBT_DEX049 error, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the relevant RFC destination (usually a TCP/IP connection).
  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 click on the "Connection Test" button to check if the connection is successful.
  If the test fails, review the error message for more details.
  
  
  
  Check User Authorizations:
  
  Ensure that the user specified in the RFC destination has the necessary authorizations to perform the required actions in the target system.
  
  
  
  Review Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing communication between the systems.
  You can use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Check System Availability:
  
  Ensure that the target SAP system is up and running and that there are no ongoing maintenance activities that could affect connectivity.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that might provide more context.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or documentation related to the specific migration or conversion process you are performing for any additional troubleshooting steps.
  
  
  
  Related Information:
  
  RFC Destinations: These are configurations that define how one SAP system can communicate with another. They are crucial for data transfer and remote function calls.
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SM21: View system logs.
  SLG1: View application logs.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the CNV_MBT_DEX049 error.
  
  By following these steps, you should be able to identify and resolve the underlying issue causing the CNV_MBT_DEX049 RFC error.