How To Fix /UI2/CORE_FES007 - Failed to create HTTP client (SM59 destination &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CORE_FES -

• Message number: 007

• Message text: Failed to create HTTP client (SM59 destination &1)

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /UI2/CORE_FES007 - Failed to create HTTP client (SM59 destination &1) ?

  The SAP error message /UI2/CORE_FES007 Failed to create HTTP client (SM59 destination &1) typically indicates that there is an issue with the HTTP connection configuration in the SAP system. This error is related to the HTTP client that is trying to connect to a specified destination defined in transaction SM59.
  Causes:
  
  Incorrect SM59 Configuration: The destination specified in the error message may not be configured correctly. This could include incorrect hostnames, ports, or paths.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the specified destination.
  Authorization Issues: The user or service account being used may not have the necessary authorizations to access the destination.
  SSL Configuration: If the destination uses HTTPS, there may be issues with SSL certificates or configurations.
  Service Not Running: The service on the target server may not be running or may be misconfigured.
  Firewall Restrictions: Firewalls may be blocking the connection to the specified destination.
  
  Solutions:
  
  
  Check SM59 Configuration:
  
  Go to transaction SM59 and check the configuration of the HTTP destination mentioned in the error message.
  Ensure that the hostname, port, and path are correct.
  Test the connection using the "Connection Test" button in SM59.
  
  
  
  Network Connectivity:
  
  Verify that the SAP system can reach the destination server. You can use tools like ping or telnet to check connectivity.
  Ensure that there are no network issues or outages.
  
  
  
  Authorization:
  
  Check the authorizations for the user or service account being used to access the destination.
  Ensure that the necessary roles and permissions are assigned.
  
  
  
  SSL Configuration:
  
  If using HTTPS, ensure that the SSL certificates are correctly installed and trusted by the SAP system.
  Check the SSL settings in transaction STRUST to ensure that the certificates are valid.
  
  
  
  Service Availability:
  
  Ensure that the service on the target server is running and accessible.
  Check the server logs for any errors that might indicate why the service is not responding.
  
  
  
  Firewall Settings:
  
  Check firewall settings to ensure that they are not blocking the connection to the destination.
  Work with your network team to verify that the necessary ports are open.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: To manage RFC destinations.
  STRUST: To manage SSL certificates.
  SICF: To manage HTTP services.
  
  
  
  Logs and Traces:
  
  Check the application logs (transaction SLG1) for more detailed error messages.
  Use transaction ST22 to check for dumps that might provide additional context.
  
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /UI2/CORE_FES007 error.