How To Fix S10011 - Communication failure

SAP Error Message - Details

• Message type: E = Error

• Message class: S10 - MS SQL Server Database monitor tools messages

• Message number: 011

• Message text: Communication failure

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message S10011 - Communication failure ?

  The SAP error message S10011, which indicates a "Communication failure," typically arises when there is an issue with the connection between the SAP system and another system or component, such as a database, application server, or external service. Here are some common causes, potential solutions, and related information for this error:
  Causes:
  
  Network Issues: Problems with the network connection, such as downtime, misconfigured firewalls, or network congestion.
  Server Unavailability: The target server (e.g., database or application server) may be down or not reachable.
  Configuration Errors: Incorrect settings in the SAP system configuration, such as incorrect RFC destination settings or missing parameters.
  Timeouts: Long response times from the server can lead to timeouts, resulting in communication failures.
  Resource Limitations: Insufficient resources (CPU, memory) on the server can lead to failures in processing requests.
  Version Mismatch: Incompatibility between different versions of SAP components or between SAP and third-party systems.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is stable and functioning. Use tools like ping or traceroute to diagnose connectivity issues.
  Verify Server Status: Check if the target server is up and running. If it is down, restart the server or contact the system administrator.
  Review Configuration Settings: 
  
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  Verify that the connection parameters (such as host, port, and user credentials) are correct.
  
  
  Increase Timeout Settings: If timeouts are causing the issue, consider increasing the timeout settings in the relevant configuration.
  Monitor System Resources: Use monitoring tools to check the resource usage on the server. If resources are low, consider optimizing the system or upgrading hardware.
  Check Logs: Review the SAP application logs (transaction SM21) and system logs for any additional error messages that may provide more context about the communication failure.
  Update Software: Ensure that all components are up to date and compatible with each other. Apply any necessary patches or updates.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to S10011.
  Documentation: Refer to the official SAP documentation for troubleshooting communication issues and understanding the configuration of RFC connections.
  Community Forums: Engage with SAP community forums or user groups for insights and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to escalate the issue to SAP support for further assistance.