How To Fix CNV_MBT027 - There were problems in synchronizing the RFC destination!!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 027

• Message text: There were problems in synchronizing the RFC destination!!

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_MBT027 - There were problems in synchronizing the RFC destination!! ?

  The SAP error message CNV_MBT027 indicates that there are issues with synchronizing the Remote Function Call (RFC) destination. This error typically arises during data migration or system conversion processes, particularly when using SAP's Migration Cockpit or similar tools.
  Causes:
  
  RFC Destination Configuration Issues: The RFC destination may not be correctly configured in the SAP system. This could include incorrect connection parameters, missing entries, or misconfigured settings.
  Network Issues: There may be network connectivity problems between the systems involved, preventing successful communication.
  Authorization Problems: The user credentials used for the RFC connection may lack the necessary authorizations to perform the required operations.
  System Availability: The target system or the system being connected to may be down or unavailable.
  Transport Layer Issues: There could be issues with the transport layer that affect the ability to establish an RFC connection.
  
  Solutions:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Verify the settings for the RFC destination in question. Ensure that the connection type, target host, system number, and client are correctly configured.
  Test the connection using the "Connection Test" button to ensure it is working properly.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall rules or network issues blocking the connection between the systems.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  Authorization Check:
  
  Verify that the user credentials used for the RFC connection have the necessary authorizations. You may need to check roles and profiles assigned to the user.
  
  
  
  System Availability:
  
  Check if the target system is up and running. You can do this by logging into the target system or checking its status in the SAP Landscape Management tool.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the RFC trace (transaction SM58) for any additional error messages that might provide more context about the issue.
  
  
  
  Recreate RFC Destination:
  
  If the configuration seems correct but the issue persists, consider deleting and recreating the RFC destination.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes in the SAP Support Portal that might address known issues related to this error message.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  SM58: Asynchronous RFC Monitor
  
  
  Documentation: Refer to SAP Help documentation for detailed information on configuring RFC destinations and troubleshooting connectivity 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 issue causing the CNV_MBT027 error message.