How To Fix ESH_ESAAS_MSG001 - HTTP connection for destination &1 could not be instantiated

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ESAAS_MSG - Search as a Service (ESaaS)

• Message number: 001

• Message text: HTTP connection for destination &1 could not be instantiated

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message ESH_ESAAS_MSG001 - HTTP connection for destination &1 could not be instantiated ?

  The SAP error message ESH_ESAAS_MSG001 indicates that there is an issue with establishing an HTTP connection for a specified destination in the SAP system. This error typically arises in the context of SAP Enterprise Search or when trying to connect to external services or systems.
  Causes:
  
  
  Incorrect Destination Configuration: The destination specified in the error message may not be configured correctly in the SAP system. This could include incorrect URL, authentication details, or other connection parameters.
  
  
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the specified destination. This could be due to firewall settings, DNS resolution issues, or other network-related problems.
  
  
  Service Unavailability: The external service or system that the destination points to may be down or not reachable.
  
  
  Authorization Issues: The user or service account being used to establish the connection may not have the necessary permissions to access the destination.
  
  
  SSL/TLS Configuration: If the destination uses HTTPS, there may be issues with SSL/TLS certificates, such as expired certificates or untrusted certificate authorities.
  
  
  Solutions:
  
  
  Check Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the destination mentioned in the error message.
  Verify the configuration settings, including the target host, port, and any authentication details.
  
  
  
  Test Connection:
  
  In transaction SM59, use the "Test Connection" button to check if the connection can be established successfully. This will help identify if the issue is with the configuration or network.
  
  
  
  Network Troubleshooting:
  
  Ensure that the SAP system can reach the destination by checking network connectivity (ping, traceroute).
  Check firewall settings to ensure that the necessary ports are open.
  
  
  
  Check Service Availability:
  
  Verify that the external service is up and running. You can do this by trying to access the service directly from a web browser or using tools like curl or Postman.
  
  
  
  Review Authorization:
  
  Ensure that the user or service account has the necessary authorizations to access the destination.
  
  
  
  SSL/TLS Configuration:
  
  If using HTTPS, check the SSL/TLS certificate configuration. Ensure that the certificate is valid and trusted by the SAP system.
  You may need to import the certificate into the SAP system's trust store if it is not already present.
  
  
  
  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 logs (transaction SLG1) for more detailed error messages that may provide further insights into the issue.
  Documentation: Refer to the SAP Help Portal for documentation on configuring HTTP connections and troubleshooting connectivity issues.
  
  By following these steps, you should be able to identify and resolve the cause of the ESH_ESAAS_MSG001 error in your SAP system.