How To Fix 00458 - Communication system error: send failed

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 458

• Message text: Communication system error: send failed

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 00458 - Communication system error: send failed ?

  The SAP error message "00458 Communication system error: send failed" typically indicates a problem with the communication between the SAP system and another system or component, such as a database, application server, or external service. This error can arise from various underlying issues, including network problems, configuration errors, or resource limitations.
  Causes:
  
  Network Issues: Problems with the network connection, such as timeouts, packet loss, or firewall restrictions, can lead to communication failures.
  Configuration Errors: Incorrect settings in the SAP system or the external system can prevent successful communication.
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) on the SAP server or the target system can cause communication failures.
  Service Availability: The target service or system may be down or unavailable, leading to failed communication attempts.
  Protocol Mismatches: Incompatibilities in communication protocols between systems can also result in errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP system and the target system is stable. Use tools like ping or traceroute to diagnose connectivity issues.
  Review Configuration Settings: Verify the configuration settings in both the SAP system and the external system. Ensure that all parameters (such as hostnames, ports, and protocols) are correctly set.
  Monitor System Resources: Check the resource usage on both the SAP server and the target system. If resources are low, consider optimizing performance or scaling up resources.
  Check Service Status: Ensure that the target service or system is up and running. If it is down, coordinate with the relevant teams to bring it back online.
  Review Logs: Check the SAP system logs (transaction SM21) and the application server logs for any additional error messages or warnings that could provide more context about the issue.
  Firewall and Security Settings: Ensure that firewalls or security settings are not blocking the communication. Adjust rules as necessary to allow traffic between the systems.
  SAP Notes and Support: Search for relevant SAP Notes that may address this specific error. SAP Support may also provide additional insights or patches.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SM21 (System Log), SM37 (Job Monitoring), and ST22 (Dump Analysis) to gather more information about the error.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Documentation: Refer to SAP documentation for specific configuration and troubleshooting guidelines related to the components involved in the communication.
  
  If the issue persists after trying the above solutions, it may be necessary to escalate the problem to your SAP Basis team or SAP Support for further investigation.