How To Fix ESH_HANA_ADMIN122 - Connection '&1' to database is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_HANA_ADMIN - ESH HANA Index Administration

• Message number: 122

• Message text: Connection '&1' to database is unknown

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 ESH_HANA_ADMIN122 - Connection '&1' to database is unknown ?

  The SAP error message ESH_HANA_ADMIN122 indicates that there is an issue with the connection to the HANA database. Specifically, the message states that the connection identified by &1 is unknown. This can occur for several reasons, and here are some potential causes, solutions, and related information:
  Causes:
  
  Incorrect Connection Name: The connection name specified in the configuration may be incorrect or misspelled.
  Connection Not Established: The connection to the HANA database may not have been established or may have been lost.
  Configuration Issues: There may be issues in the configuration settings for the HANA database connection in the SAP system.
  Database Instance Down: The HANA database instance may be down or not reachable due to network issues.
  Authorization Issues: The user may not have the necessary permissions to access the specified database connection.
  
  Solutions:
  
  
  Verify Connection Name:
  
  Check the connection name in the configuration settings and ensure it matches the name used in the error message.
  You can find the connection settings in the SAP HANA Studio or the SAP GUI under the relevant configuration.
  
  
  
  Check Database Status:
  
  Ensure that the HANA database instance is up and running. You can do this by logging into the HANA Studio or using command-line tools to check the status of the database.
  
  
  
  Review Configuration:
  
  Go to the SAP HANA Administration Console and verify the configuration settings for the database connection.
  Ensure that the connection parameters (host, port, user, password) are correctly set.
  
  
  
  Test Connection:
  
  Use the connection test feature in the SAP HANA Studio or the SAP GUI to test the connection to the database. This can help identify if the connection is valid.
  
  
  
  Check User Permissions:
  
  Ensure that the user account being used to connect to the HANA database has the necessary permissions to access the database and perform the required operations.
  
  
  
  Network Issues:
  
  Check for any network issues that may be preventing the SAP system from reaching the HANA database. This includes firewall settings, VPN issues, or other network configurations.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Logs: Review the application logs and HANA database logs for any additional error messages or warnings that may provide more context about the issue.
  Documentation: Refer to the official SAP documentation for HANA and the specific SAP application you are using for detailed configuration and troubleshooting steps.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.