How To Fix DMC_UTIL_MSG000 - RFC connection &1 was terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_UTIL_MSG - DMC: Messages for General Functions

• Message number: 000

• Message text: RFC connection &1 was terminated

What causes this issue?

RFC connection has been stopped to free ressources in remote system

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DMC_UTIL_MSG000 - RFC connection &1 was terminated ?

  The SAP error message "DMC_UTIL_MSG000 RFC connection &1 was terminated" typically indicates that a Remote Function Call (RFC) connection to an SAP system has been unexpectedly terminated. This can happen for various reasons, and understanding the cause is crucial for resolving the issue. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: Intermittent network problems can lead to the termination of RFC connections.
  Timeout Settings: If the RFC connection is idle for too long, it may be terminated due to timeout settings on either the client or server side.
  Resource Limitations: Insufficient resources (CPU, memory) on the server can cause the connection to drop.
  Configuration Errors: Incorrect configuration of the RFC destination or the SAP system can lead to connection issues.
  System Upgrades or Maintenance: If the SAP system is undergoing maintenance or upgrades, connections may be terminated.
  Firewall or Security Settings: Firewalls or security settings may block or terminate the connection.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the client and the SAP server. Use tools like ping or traceroute to diagnose connectivity.
  Review Timeout Settings: Check the timeout settings for the RFC connection in both the SAP system and the client application. Adjust them if necessary.
  
  In SAP, you can check the RFC connection settings in transaction SM59.
  
  
  Monitor System Resources: Use transaction SM50 or SM66 to monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scaling resources.
  Validate RFC Configuration: Ensure that the RFC destination is correctly configured. Check for any errors in the configuration in transaction SM59.
  Check for System Maintenance: Verify if there are any scheduled maintenance activities or upgrades that might affect the system's availability.
  Firewall and Security Settings: Review firewall rules and security settings to ensure that they are not blocking the RFC connection.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  SM21: To check system logs for any related error messages.
  ST22: To check for dumps that might provide more context on the issue.
  SM50 / SM66: To monitor active processes and system performance.
  
  
  
  SAP Notes: Check SAP Notes for any known issues related to RFC connections. You can search for relevant notes in the SAP Support Portal.
  
  
  Logs: Review the application logs and system logs for any additional error messages that might provide more context about the termination.
  
  
  By following these steps, you should be able to identify the cause of the RFC connection termination and implement a suitable solution. If the problem persists, consider reaching out to SAP support for further assistance.