How To Fix DMC_GENERAL238 - Remote function call to destination &1 ended with "communication failure"

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_GENERAL - MWB: General Messages

• Message number: 238

• Message text: Remote function call to destination &1 ended with "communication failure"

What causes this issue?

&V2&&V3&

System Response

Remote function call to destination &V1& ended with "communication
failure"

How to fix this error?

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

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_GENERAL238 - Remote function call to destination &1 ended with "communication failure" ?

  The SAP error message DMC_GENERAL238 indicates that there was a communication failure during a remote function call (RFC) to a specified destination. This error can occur in various scenarios, particularly when using SAP Data Management or when integrating different SAP systems.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP systems involved in the RFC call.
  Destination Configuration: The RFC destination may not be configured correctly in the SAP system (e.g., incorrect IP address, port, or connection type).
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to access the target system.
  System Availability: The target SAP system may be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls or security settings may be blocking the communication between the systems.
  Timeout Settings: The timeout settings for the RFC call may be too short, causing the call to fail if the response takes longer than expected.
  
  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 Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Check the configuration of the RFC destination (e.g., connection type, target host, and service).
  Test the connection using the "Connection Test" option in SM59.
  
  
  Review User Authorizations: Ensure that the user credentials used for the RFC call have the necessary authorizations in both the source and target systems.
  Check System Status: Verify that the target SAP system is up and running. You can check the system status in transaction SM51 or by contacting your system administrator.
  Firewall and Security Settings: Ensure that any firewalls or security settings allow traffic between the two systems on the required ports.
  Adjust Timeout Settings: If the issue is related to timeouts, consider increasing the timeout settings for the RFC call in the relevant configuration.
  
  Related Information:
  
  Transaction Codes:
  
  SM59: Manage RFC Destinations
  SM51: Display SAP System Instances
  ST22: Dump Analysis (to check for any ABAP runtime errors)
  SICF: Check HTTP services if applicable
  
  
  Logs and Traces: Check the system logs (transaction SM21) and the developer traces (transaction ST01) for more detailed error messages that may provide additional context.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to RFC communication failures.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.