How To Fix ESH_IF_INA301 - Host is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_IF_INA - ES-InA-Adapter: Messages

• Message number: 301

• Message text: Host is missing

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

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_IF_INA301 - Host is missing ?

  The SAP error message ESH_IF_INA301: Host is missing typically occurs in the context of the SAP Enterprise Search (SAP ESH) or when dealing with the SAP Information Access (INA) framework. This error indicates that the system is unable to find the specified host for the search service or the connection to the search service is not properly configured.
  Causes:
  
  Configuration Issues: The host for the search service may not be configured correctly in the system settings.
  Network Issues: There may be network connectivity problems preventing the SAP system from reaching the specified host.
  Service Not Running: The search service or the relevant backend service may not be running on the specified host.
  Incorrect Hostname: The hostname specified in the configuration may be incorrect or misspelled.
  Firewall Restrictions: Firewalls or security settings may be blocking access to the host.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to the SAP system configuration settings and verify the host settings for the search service.
  Ensure that the hostname and port are correctly specified.
  
  
  
  Verify Network Connectivity:
  
  Use tools like ping or telnet to check if the host is reachable from the SAP server.
  Ensure that there are no network issues preventing access to the host.
  
  
  
  Check Service Status:
  
  Ensure that the search service is running on the specified host. You may need to restart the service if it is down.
  Check the logs of the search service for any errors that might indicate why it is not running.
  
  
  
  Correct Hostname:
  
  Double-check the hostname for any typos or errors. Ensure that it matches the actual hostname of the server where the search service is hosted.
  
  
  
  Firewall and Security Settings:
  
  Review firewall settings to ensure that they are not blocking access to the host.
  If applicable, check any security groups or network policies that might restrict access.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific version you are using to ensure that all configuration steps have been followed correctly.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Logs: Review the application logs (transaction SLG1) for more detailed error messages that could provide further insights into the issue.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the ESH_IF_INA301 error in your SAP system.