How To Fix ESH_FL_MSG049 - HTTP code 401 Unauthorized: missing or bad authentication

ESH_FL_MSG049 - Overview

• Message type: E = Error

• Message class: ESH_FL_MSG - File Processing

• Message number: 049

• Message text: HTTP code 401 Unauthorized: missing or bad authentication

What causes this issue?

The HTTP call ended with HTTP error code 401: Unauthorized. The given
user / password combination for the file loader HTTP destination is not
correct.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please contact your system administrator or check why the HTTP
destination in transaction SM59 does not work properly.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

ESH_FL_MSG049 - Details

• The SAP error message ESH_FL_MSG049, which indicates an HTTP 401 Unauthorized error due to "missing or bad authentication," typically occurs when a user attempts to access a resource or service without proper authentication credentials or when the provided credentials are incorrect. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Missing Credentials: The request to the SAP system does not include the necessary authentication information (e.g., username and password).
  Incorrect Credentials: The credentials provided are incorrect or do not match any user in the SAP system.
  Session Expiration: The user session may have expired, requiring re-authentication.
  Authorization Issues: The user may not have the necessary permissions to access the requested resource.
  
  Configuration Issues: There may be misconfigurations in the SAP Gateway or the service being accessed.
  
  Solutions:
  
  
  Check Credentials:
  
  Ensure that the username and password being used are correct.
  If using a service account, verify that the account is active and not locked.
  
  
  
  Re-authenticate:
  
  If the session has expired,