How To Fix SCLNT_HTTP401 - Connection to server broken (ICM_HTTP_CONNECTION_BROKEN)

SCLNT_HTTP401 - Overview

• Message type: E = Error

• Message class: SCLNT_HTTP - Messages for HTTP Client for Respective Error Code

• Message number: 401

• Message text: Connection to server broken (ICM_HTTP_CONNECTION_BROKEN)

What causes this issue?

The server has closed the connection unexpectedly.

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?

The server has closed the connection unexpectedly. One possible reason
is that HTTP was sent to an HTTPS port (or another port that is intended
for a completely different protocol). In this case, ensure that you
address the correct port with the correct protocol. Otherwise the reason
for the terminated connection will have to be found on the server side.
Check whether the server has logged error messages on closing the
connection.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCLNT_HTTP401 - Connection to server broken (ICM_HTTP_CONNECTION_BROKEN) ?

  The SAP error message SCLNT_HTTP401 Connection to server broken (ICM_HTTP_CONNECTION_BROKEN) typically indicates that there is an issue with the HTTP connection between the SAP system and the client or server it is trying to communicate with. This error can occur due to various reasons, including network issues, server configuration problems, or authentication failures.
  Causes:
  
  Authentication Issues: The client may not be properly authenticated, leading to a 401 Unauthorized error.
  Network Problems: There may be network connectivity issues between the SAP system and the target server.
  Server Configuration: The target server may not be configured to accept connections from the SAP system.
  Timeouts: The connection may have timed out due to inactivity or long processing times.
  Firewall or Proxy Issues: Firewalls or proxies may be blocking the connection.
  Incorrect URL: The URL being accessed may be incorrect or the server may not be reachable.
  
  Solutions:
  
  Check Authentication: Ensure that the credentials used for authentication are correct and that the user