How To Fix EM_MESSAGE012 - EM: Communication error

SAP Error Message - Details

• Message type: E = Error

• Message class: EM_MESSAGE - xEM Integration Messages

• Message number: 012

• Message text: EM: Communication error

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message EM_MESSAGE012 - EM: Communication error ?

  The SAP error message EM_MESSAGE012, which indicates a "Communication error," can arise from various issues related to network connectivity, system configuration, or application settings. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  
  Network Issues: Problems with the network connection between the SAP client and the SAP server can lead to communication errors. This could be due to network outages, firewall settings, or incorrect network configurations.
  
  
  Server Availability: The SAP server may be down or not reachable due to maintenance, crashes, or other operational issues.
  
  
  Configuration Errors: Incorrect settings in the SAP system configuration, such as RFC (Remote Function Call) destinations, can lead to communication failures.
  
  
  Timeout Settings: If the timeout settings for connections are too low, it may result in communication errors, especially during high load times.
  
  
  Version Compatibility: Incompatibility between different versions of SAP components or between the SAP GUI and the backend system can also cause communication issues.
  
  
  Security Settings: Security settings, such as SSL configurations or user authorizations, may prevent successful communication.
  
  
  Solutions:
  
  
  Check Network Connectivity: Ensure that the network connection is stable and that there are no outages. Use tools like ping or traceroute to diagnose connectivity issues.
  
  
  Verify Server Status: Check if the SAP server is up and running. You can do this by accessing the server directly or using monitoring tools.
  
  
  Review Configuration Settings: Check the RFC destinations and ensure they are correctly configured. Use transaction code SM59 to verify RFC connections.
  
  
  Adjust Timeout Settings: If applicable, increase the timeout settings in the SAP GUI or server configuration to allow for longer processing times.
  
  
  Update Software: Ensure that all components of the SAP system are updated to compatible versions. This includes the SAP GUI, application servers, and any other relevant components.
  
  
  Check Security Settings: Review SSL configurations and user authorizations to ensure that they are correctly set up and not blocking communication.
  
  
  Consult Logs: Check the SAP system logs (transaction SM21) and the application logs (transaction SLG1) for more detailed error messages that can provide insights into the root cause.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to EM_MESSAGE012.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation for best practices on network configuration and troubleshooting communication errors.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.