How To Fix ESH_ENG_CDS_HANA001 - Connection &1 is not a SAP HANA instance

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDS_HANA - ES-CDS/HANA

• Message number: 001

• Message text: Connection &1 is not a SAP HANA instance

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_ENG_CDS_HANA001 - Connection &1 is not a SAP HANA instance ?

  The SAP error message ESH_ENG_CDS_HANA001 indicates that the connection specified is not recognized as a valid SAP HANA instance. This error typically arises in the context of SAP Enterprise Search or when working with Core Data Services (CDS) views that are expected to connect to a HANA database.
  Causes:
  
  Incorrect Connection Parameters: The connection string or parameters used to connect to the HANA instance may be incorrect. This includes the hostname, port, or database name.
  Non-HANA Database: The connection might be pointing to a non-HANA database, which is not compatible with the operations being performed.
  Network Issues: There could be network connectivity issues preventing the application from reaching the HANA instance.
  HANA Instance Not Running: The HANA database instance may not be running or may have crashed.
  Configuration Issues: The system may not be properly configured to recognize the HANA instance, or the instance may not be registered correctly in the SAP system.
  
  Solutions:
  
  Verify Connection Parameters: Check the connection parameters in the configuration settings. Ensure that the hostname, port, and database name are correct.
  Check Database Type: Ensure that the connection is indeed pointing to a SAP HANA database and not to another type of database (e.g., Oracle, SQL Server).
  Test Network Connectivity: Use tools like ping or telnet to check if the HANA instance is reachable from the application server.
  Check HANA Instance Status: Log in to the HANA database and verify that the instance is running. You can use the HANA Studio or command line tools to check the status.
  Review Configuration: Ensure that the HANA instance is properly configured in the SAP system. This may involve checking the SAP Landscape Management (SLM) or the relevant configuration files.
  Check User Permissions: Ensure that the user account being used to connect to the HANA instance has the necessary permissions to access the database.
  
  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 connections to HANA databases, especially in the context of Enterprise Search and CDS views.
  Logs: Check the application and database logs for any additional error messages or warnings that could provide more context about the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the steps you have already taken.