How To Fix SCLNT_HTTP400 - Connection to server failed (ICM_HTTP_CONNECTION_FAILED)

SCLNT_HTTP400 - Overview

• Message type: E = Error

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

• Message number: 400

• Message text: Connection to server failed (ICM_HTTP_CONNECTION_FAILED)

What causes this issue?

An error occurred while setting up the server connection.

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?

Check the ICM trace file.

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_HTTP400 - Connection to server failed (ICM_HTTP_CONNECTION_FAILED) ?

  The SAP error message SCLNT_HTTP400 Connection to server failed (ICM_HTTP_CONNECTION_FAILED) typically indicates that there is an issue with the HTTP connection to the server. This error can arise from various causes, and understanding these can help in troubleshooting and resolving the issue.
  Causes
  
  
  Network Issues: There may be network connectivity problems between the client and the SAP server. This could be due to firewalls, routing issues, or network outages.
  
  
  Server Configuration: The Internet Communication Manager (ICM) on the SAP server may not be configured correctly. This includes settings related to HTTP ports, SSL configurations, or other parameters.
  
  
  Service Availability: The service you are trying to access may not be running on the server. This could be due to the server being down, the service being stopped, or misconfigured.
  
  
  Client Configuration: The client application or browser may have incorrect settings, such as proxy settings or incorrect URLs.
  
  
  Resource Limitations: The server may be experiencing high load or