How To Fix /SAPAPO/DMRES050 - No connection could be made to SAP liveCache

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 050

• Message text: No connection could be made to SAP liveCache

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DMRES050 - No connection could be made to SAP liveCache ?

  The SAP error message /SAPAPO/DMRES050 No connection could be made to SAP liveCache typically indicates that the SAP system is unable to establish a connection to the SAP LiveCache, which is a database used in SAP Advanced Planning and Optimization (APO) for storing and processing large amounts of planning data.
  Causes:
  
  LiveCache Service Not Running: The LiveCache service may not be started or is down.
  Network Issues: There may be network connectivity issues between the SAP application server and the LiveCache server.
  Configuration Issues: Incorrect configuration settings in the SAP system or LiveCache settings.
  Resource Limitations: The LiveCache server may be experiencing resource limitations (e.g., memory, CPU).
  Database Issues: The underlying database for LiveCache may be facing issues or may not be accessible.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  
  Solutions:
  
  
  Check LiveCache Status:
  
  Ensure that the LiveCache service is running. You can check this using transaction LC10 or LC11 in the SAP GUI.
  If it is not running, start the LiveCache service.
  
  
  
  Network Connectivity:
  
  Verify that the network connection between the SAP application server and the LiveCache server is functioning properly.
  Use tools like ping or telnet to check connectivity.
  
  
  
  Configuration Settings:
  
  Review the configuration settings in the SAP system for LiveCache. Ensure that the connection parameters (like hostname, port, etc.) are correctly set.
  Check the RFC destination settings in transaction SM59 to ensure they are correctly configured.
  
  
  
  Resource Monitoring:
  
  Monitor the resource usage on the LiveCache server. Ensure that it has sufficient memory and CPU resources available.
  If necessary, optimize the server or allocate more resources.
  
  
  
  Database Health Check:
  
  Check the health of the underlying database for LiveCache. Ensure that it is up and running without issues.
  Look for any database logs that might indicate problems.
  
  
  
  Firewall and Security Settings:
  
  Ensure that there are no firewall rules or security settings that are blocking the connection to the LiveCache server.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that might address this specific error. SAP frequently updates their knowledge base with solutions for known issues.
  If the problem persists, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  LC10 - LiveCache Administration
  LC11 - LiveCache Monitoring
  SM59 - RFC Destinations
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on LiveCache and APO.
  System Logs: Check system logs (transaction SM21) for any additional error messages that might provide more context.
  
  By following these steps, you should be able to diagnose and resolve the connection issue with SAP LiveCache.