How To Fix ESH_TASK_MANAGER_MSG053 - RFC destination or DB connection to SAP HANA does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_TASK_MANAGER_MSG - ESH Task Manager

• Message number: 053

• Message text: RFC destination or DB connection to SAP HANA does not exist

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 ESH_TASK_MANAGER_MSG053 - RFC destination or DB connection to SAP HANA does not exist ?

  The SAP error message ESH_TASK_MANAGER_MSG053 indicates that there is an issue with the RFC (Remote Function Call) destination or the database connection to SAP HANA. This error typically arises when the system is unable to establish a connection to the HANA database, which is essential for executing certain tasks in the SAP system, particularly those related to the Enterprise Search (ESH) functionality.
  Causes:
  
  Missing or Incorrect RFC Destination: The RFC destination that is supposed to connect to the HANA database may not be defined in the SAP system or may be incorrectly configured.
  Database Connection Issues: The connection to the HANA database may be down or misconfigured, leading to an inability to connect.
  Authorization Issues: The user or service account being used to connect to the HANA database may not have the necessary permissions.
  Network Issues: There may be network connectivity problems between the SAP application server and the HANA database server.
  HANA Database Not Running: The HANA database instance may not be running or may have encountered an error.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Verify that the RFC destination for the HANA database is correctly defined and active.
  Test the connection to ensure it is working properly.
  
  
  
  Verify Database Connection:
  
  Ensure that the HANA database is up and running.
  Check the database connection parameters (host, port, user credentials) in the RFC destination settings.
  
  
  
  Check Authorizations:
  
  Ensure that the user credentials used in the RFC destination have the necessary permissions to access the HANA database.
  
  
  
  Network Configuration:
  
  Check for any network issues that may be preventing the SAP system from reaching the HANA database.
  Ensure that firewalls or security groups are not blocking the required ports.
  
  
  
  Review Logs:
  
  Check the SAP application server logs and HANA database logs for any error messages that could provide more context on the issue.
  
  
  
  Restart Services:
  
  If the HANA database is down, restart the HANA services.
  If necessary, restart the SAP application server to refresh the connections.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for configuring RFC destinations and connecting to HANA databases.
  Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the ESH_TASK_MANAGER_MSG053 error message.