How To Fix 1R544 - Error &1 while writing to HTTP server

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 544

• Message text: Error &1 while writing to HTTP server

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 1R544 - Error &1 while writing to HTTP server ?

  The SAP error message 1R544 indicates that there is an issue when the system is trying to write data to an HTTP server. This error can occur in various scenarios, such as when sending data to an external system via HTTP or when trying to access web services.
  Possible Causes:
  
  Network Issues: There may be connectivity problems between the SAP system and the HTTP server.
  Server Unavailability: The HTTP server may be down or not reachable.
  Incorrect URL: The URL configured in the SAP system may be incorrect or malformed.
  Authentication Issues: If the HTTP server requires authentication, the credentials may be incorrect or missing.
  Firewall/Proxy Issues: A firewall or proxy server may be blocking the connection to the HTTP server.
  Configuration Errors: There may be misconfigurations in the HTTP connection settings in the SAP system.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the HTTP server. You can use tools like ping or telnet to test connectivity.
  Verify Server Status: Check if the HTTP server is up and running. You can try accessing the server from a web browser or using tools like curl.
  Review URL Configuration: Double-check the URL configured in the SAP system for correctness. Ensure it is properly formatted and points to the correct endpoint.
  Check Authentication: If the HTTP server requires authentication, verify that the correct credentials are being used. Update the configuration if necessary.
  Inspect Firewall/Proxy Settings: Ensure that there are no firewall rules or proxy settings that are blocking the connection to the HTTP server.
  Review SAP Configuration: Check the HTTP connection settings in the SAP system (transaction code SM59 for RFC destinations) to ensure they are correctly configured.
  Check Logs: Review the SAP application logs (transaction code SLG1) for more detailed error messages that may provide additional context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search the SAP Support Portal for relevant notes.
  Documentation: Review the SAP documentation for HTTP connections and web services to ensure that all configurations are set up correctly.
  Community Forums: Consider checking SAP Community forums or other technical forums for similar issues and solutions shared by other users.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with your SAP Basis team or SAP support for further assistance.