How To Fix EM_MESSAGE011 - EM: Communication error; notification &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EM_MESSAGE - xEM Integration Messages

• Message number: 011

• Message text: EM: Communication error; notification &1

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 EM_MESSAGE011 - EM: Communication error; notification &1 ?

  The SAP error message EM_MESSAGE011, which indicates a communication error with the notification number &1, typically arises in scenarios involving communication between different SAP systems or between an SAP system and external systems. This error can occur in various contexts, such as during the execution of background jobs, data transfers, or when using specific SAP modules that rely on inter-system communication.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP systems or between the SAP system and external systems can lead to communication errors.
  Configuration Errors: Incorrect configuration settings in the SAP system, such as RFC (Remote Function Call) destinations, can cause communication failures.
  System Downtime: The target system may be down or undergoing maintenance, leading to communication errors.
  Firewall or Security Settings: Firewalls or security settings may block the communication between systems.
  Timeouts: Long-running processes may exceed the timeout settings, resulting in communication errors.
  Incorrect Notification Handling: If the notification referenced by &1 is not properly set up or is missing, it can lead to this error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there is proper network connectivity between the systems involved. You can use tools like ping or traceroute to diagnose network issues.
  Review RFC Configuration: Check the RFC destinations in transaction SM59 to ensure they are correctly configured and that the connection test is successful.
  Monitor System Status: Verify that the target system is up and running. You can check system logs or use transaction SM51 to see the status of application servers.
  Firewall Settings: Ensure that any firewalls or security settings allow communication on the required ports between the systems.
  Adjust Timeout Settings: If timeouts are an issue, consider increasing the timeout settings in the relevant configuration.
  Check Notification Details: Investigate the notification number &1 to ensure it exists and is correctly configured. You may need to check the relevant application logs or transaction codes related to the notification.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SM59 - RFC Destinations
  SM21 - System Log
  ST22 - Dump Analysis
  SLG1 - Application Log
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support with detailed logs and error messages for further assistance.
  Documentation: Review SAP documentation related to the specific module or functionality you are working with, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and resolve the communication error associated with EM_MESSAGE011.