How To Fix SM331 - Communications service $ is not active (TSADC)

SAP Error Message - Details

• Message type: E = Error

• Message class: SM - Address Definition/Administration

• Message number: 331

• Message text: Communications service $ is not active (TSADC)

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 SM331 - Communications service $ is not active (TSADC) ?

  The SAP error message SM331 "Communications service $ is not active (TSADC)" typically indicates that there is an issue with the communication services in the SAP system. This error can occur in various scenarios, such as when trying to connect to a database or when there are issues with the application server.
  Cause:
  
  Inactive Communication Services: The specific communication service that is required for the operation is not active. This could be due to configuration issues or the service not being started.
  Network Issues: There may be network connectivity problems between the SAP application server and the database or other services.
  Configuration Errors: Incorrect configuration settings in the SAP system or in the communication parameters can lead to this error.
  System Load: High system load or resource constraints can also cause communication services to fail or become inactive.
  
  Solution:
  
  
  Check Service Status:
  
  Use transaction code SM51 to check the status of the application servers. Ensure that the required services are running.
  Use transaction code SMICM to check the Internet Communication Manager (ICM) status.
  
  
  
  Activate Communication Services:
  
  If the communication service is not active, you may need to activate it. This can typically be done through transaction SICF (HTTP Service Hierarchy Maintenance) or by checking the relevant configuration in the SAP system.
  
  
  
  Review Configuration:
  
  Check the configuration settings in transaction RZ10 for profile parameters related to communication services.
  Ensure that the relevant RFC destinations are correctly configured in transaction SM59.
  
  
  
  Network Troubleshooting:
  
  Verify network connectivity between the SAP application server and the database or other services. Use tools like ping or telnet to check connectivity.
  Check firewall settings to ensure that they are not blocking the required ports.
  
  
  
  System Resources:
  
  Monitor system resources (CPU, memory, etc.) to ensure that the system is not overloaded. If necessary, optimize performance or allocate more resources.
  
  
  
  Check Logs:
  
  Review the system logs (transaction SM21) and developer traces (transaction ST22) for any additional error messages that may provide more context about the issue.
  
  
  
  Restart Services:
  
  If the issue persists, consider restarting the affected services or the entire SAP system as a last resort.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for more details on communication services and their configuration.
  Support: If the issue cannot be resolved, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the "Communications service $ is not active (TSADC)" error in your SAP system.