How To Fix ESH_ADAPT_MSG021 - Ping for destination &1 unsuccessful with message &2 (by receive)

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ADAPT_MSG - Adapter Messages

• Message number: 021

• Message text: Ping for destination &1 unsuccessful with message &2 (by receive)

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_ADAPT_MSG021 - Ping for destination &1 unsuccessful with message &2 (by receive) ?

  The SAP error message ESH_ADAPT_MSG021 indicates that there was an unsuccessful attempt to ping a destination in the SAP system. This error typically arises in the context of the SAP Enterprise Search or when using the SAP Application Interface Framework (AIF) to connect to external systems or services.
  Cause:
  The error message can be caused by several factors, including:
  
  Network Issues: There may be network connectivity problems between the SAP system and the destination system.
  Incorrect Destination Configuration: The destination might not be configured correctly in the SAP system (e.g., incorrect URL, port, or credentials).
  Service Unavailability: The destination service might be down or not responding.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection to the destination.
  DNS Resolution Issues: The hostname of the destination may not be resolving correctly.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Network Connectivity:
  
  Use tools like ping or telnet to check if the destination is reachable from the SAP server.
  Ensure that there are no network outages or issues.
  
  
  
  Verify Destination Configuration:
  
  Go to the transaction code SM59 in the SAP GUI.
  Check the configuration of the RFC destination that is causing the issue.
  Ensure that the connection parameters (like the target host, service, and credentials) are correct.
  
  
  
  Test the Connection:
  
  In SM59, use the "Connection Test" feature to see if the connection can be established successfully.
  
  
  
  Check Service Availability:
  
  Ensure that the service you are trying to reach is up and running.
  If it is a web service, you can try accessing it via a web browser or a tool like Postman.
  
  
  
  Review Firewall Settings:
  
  Check if there are any firewall rules that might be blocking the connection to the destination.
  Work with your network/security team to ensure that the necessary ports are open.
  
  
  
  DNS Configuration:
  
  If you are using a hostname in the destination configuration, ensure that it resolves correctly to the appropriate IP address.
  You can check this by using the nslookup command.
  
  
  
  Check Logs:
  
  Review the SAP application logs (transaction SLG1) for any additional error messages or details that might provide more context.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the SAP documentation for the specific components you are working with (e.g., SAP Enterprise Search, AIF) for any known issues or configuration guidelines.
  Support: If the issue persists after following the above steps, consider reaching out to SAP Support for further assistance.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the ESH_ADAPT_MSG021 error.