How To Fix DMC_RT_MSG230 - Communication error while calling function module in target system

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 230

• Message text: Communication error while calling function module in target system

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 DMC_RT_MSG230 - Communication error while calling function module in target system ?

  The SAP error message DMC_RT_MSG230 indicates a communication error that occurs when the Data Migration Cockpit (DMC) is trying to call a function module in the target system. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the source and target systems, preventing successful communication.
  RFC Configuration: The Remote Function Call (RFC) destination may not be correctly configured or may be inactive.
  Authorization Issues: The user credentials used for the connection may not have the necessary authorizations to execute the function module in the target system.
  Function Module Issues: The function module being called may not exist, may be inactive, or may have been modified in a way that it cannot be executed properly.
  System Performance: The target system may be experiencing performance issues, leading to timeouts or failures in processing the request.
  Version Compatibility: There may be compatibility issues between the source and target systems, especially if they are running different versions of SAP.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the source and target systems. You can use tools like ping or traceroute to diagnose network issues.
  Verify RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination used for the connection.
  Test the connection to ensure it is working correctly.
  
  
  Review Authorizations: Ensure that the user ID used for the connection has the necessary authorizations to execute the function module in the target system.
  Check Function Module:
  
  Verify that the function module exists in the target system.
  Ensure that it is active and has not been modified in a way that would prevent it from being executed.
  
  
  Monitor System Performance: Check the performance of the target system. If it is under heavy load, consider scheduling the migration during off-peak hours.
  Compatibility Check: Ensure that both systems are compatible in terms of versions and configurations. If there are discrepancies, consider updating or aligning the systems.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: For managing RFC destinations.
  ST22: For analyzing dumps that may provide more context on the error.
  SM21: For checking system logs for any related error messages.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit for any specific requirements or configurations needed for successful operation.
  
  By following these steps, you should be able to identify the root cause of the DMC_RT_MSG230 error and implement the appropriate solution. If the issue persists, consider reaching out to SAP support for further assistance.