How To Fix ILM_RW_HANA005 - Connection to HANA database &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: ILM_RW_HANA - Message class for RW on HANA

• Message number: 005

• Message text: Connection to HANA database &1 failed

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 ILM_RW_HANA005 - Connection to HANA database &1 failed ?

  The SAP error message ILM_RW_HANA005 indicates that there is a failure in establishing a connection to the HANA database. This can occur due to various reasons, and understanding the cause is essential for troubleshooting. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the application server and the HANA database server.
  Incorrect Connection Parameters: The connection parameters (like hostname, port, user credentials) may be incorrect or misconfigured.
  Database Unavailability: The HANA database might be down or not reachable due to maintenance or other issues.
  Firewall Restrictions: Firewalls may be blocking the connection to the HANA database.
  Resource Limitations: The HANA database may be experiencing resource limitations (e.g., memory, CPU) that prevent new connections.
  Configuration Issues: There may be issues with the configuration of the SAP system or the HANA database itself.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the application server can reach the HANA database server on the specified port.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Connection Parameters:
  
  Check the connection parameters in the SAP system (e.g., in the DB connection settings) to ensure they are correct.
  Ensure that the hostname, port, username, and password are accurate.
  
  
  
  Check Database Status:
  
  Verify that the HANA database is up and running. You can check this through the HANA Studio or command line.
  If the database is down, restart it or contact your database administrator.
  
  
  
  Review Firewall Settings:
  
  Ensure that the firewall settings allow traffic between the application server and the HANA database on the required ports.
  
  
  
  Monitor Database Resources:
  
  Check the resource usage on the HANA database server to ensure it is not overloaded.
  If resource limitations are found, consider optimizing queries or increasing resources.
  
  
  
  Review Configuration:
  
  Check the configuration settings in both the SAP system and the HANA database for any discrepancies.
  Ensure that the necessary drivers and libraries for HANA are correctly installed and configured in the SAP system.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review the application server logs and HANA database logs for any additional error messages or warnings that could provide more context.
  Documentation: Refer to the official SAP documentation for guidelines on configuring connections to HANA databases.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support or your internal IT team for further assistance.