How To Fix /SAPAPO/ND422 - Connection to SAP system crashed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ND -

• Message number: 422

• Message text: Connection to SAP system crashed

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 /SAPAPO/ND422 - Connection to SAP system crashed ?

  The SAP error message /SAPAPO/ND422 Connection to SAP system crashed typically indicates that there is a problem with the connection between the SAP Advanced Planning and Optimization (APO) system and the SAP backend system. This can occur due to various reasons, including network issues, system configuration problems, or resource limitations.
  Causes:
  
  Network Issues: Temporary network disruptions or instability can lead to connection failures.
  System Configuration: Incorrect configuration settings in either the APO or the backend SAP system can cause connection problems.
  Resource Limitations: Insufficient memory or CPU resources on the server can lead to crashes or timeouts.
  Database Issues: Problems with the database, such as locks or performance issues, can also cause connection failures.
  Transport Layer Security (TLS) Issues: If there are issues with the TLS configuration, it may prevent a stable connection.
  Version Compatibility: Incompatibility between different versions of SAP systems can lead to connection issues.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the APO system and the backend SAP system. You can use tools like ping or traceroute to diagnose network problems.
  Review System Logs: Check the system logs in both the APO and backend systems for any error messages or warnings that could provide more context about the crash.
  Configuration Review: Verify the configuration settings in both systems, ensuring that they are correctly set up for communication.
  Resource Monitoring: Monitor the server resources (CPU, memory, etc.) to ensure that they are not being maxed out. If they are, consider scaling up the resources or optimizing the system.
  Database Health Check: Perform a health check on the database to ensure it is functioning correctly and not experiencing locks or performance issues.
  Update and Patch: Ensure that both the APO and backend systems are up to date with the latest patches and updates, as these can resolve known issues.
  Check TLS Settings: If applicable, review the TLS settings to ensure they are correctly configured and compatible between the systems.
  Restart Services: Sometimes, simply restarting the relevant services or the entire system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  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 the official SAP documentation for both APO and the backend system for any specific configuration or troubleshooting guidelines.
  
  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.