How To Fix /SAPAPO/TDL_DAO009 - Connection to liveCache failed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/TDL_DAO -

• Message number: 009

• Message text: Connection to liveCache failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TDL_DAO009 - Connection to liveCache failed ?

  The SAP error message /SAPAPO/TDL_DAO009 Connection to liveCache failed typically indicates that there is an issue with the connection between the SAP system and the LiveCache database, which is used in SAP Advanced Planning and Optimization (APO) for storing and processing planning data.
  Causes:
  
  LiveCache Service Not Running: The LiveCache service may not be started or may have crashed.
  Network Issues: There could be network connectivity problems between the SAP application server and the LiveCache server.
  Configuration Issues: Incorrect configuration settings in the SAP system or LiveCache settings can lead to connection failures.
  Database Issues: The LiveCache database may be experiencing issues, such as being down or overloaded.
  Authorization Issues: The user may not have the necessary authorizations to access LiveCache.
  
  Solutions:
  
  
  Check LiveCache Status:
  
  Ensure that the LiveCache service is running. You can check this using transaction LC10 or by accessing the LiveCache administration tools.
  If it is not running, start the service.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues between the SAP application server and the LiveCache server. You can use tools like ping or telnet to check connectivity.
  Ensure that the correct ports are open and not blocked by firewalls.
  
  
  
  Configuration Settings:
  
  Check the configuration settings in the SAP system for LiveCache. This includes parameters in the instance profile and settings in transaction RSCUSTV10.
  Ensure that the connection parameters (like hostname, port, etc.) are correctly set.
  
  
  
  Database Health:
  
  Check the health of the LiveCache database. Look for any error messages in the LiveCache logs that might indicate issues.
  If the database is overloaded, consider optimizing the database or increasing resources.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to access LiveCache. Check the user roles and authorizations in the SAP system.
  
  
  
  Restart Services:
  
  If all else fails, consider restarting both the SAP application server and the LiveCache server to clear any transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for relevant SAP Notes that may provide additional troubleshooting steps or patches related to this error.
  Transaction Codes: Familiarize yourself with transaction codes like LC10 (LiveCache Administration) and RSCUSTV10 (Customizing LiveCache) for managing and troubleshooting LiveCache.
  Logs: Review the system logs (transaction SM21) and LiveCache logs for any additional error messages that could provide more context on the issue.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.