How To Fix SCLNT_HTTP407 - SSL error (ICM_HTTP_SSL_ERROR)

SCLNT_HTTP407 - Overview

• Message type: E = Error

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

• Message number: 407

• Message text: SSL error (ICM_HTTP_SSL_ERROR)

What causes this issue?

An error occurred while setting up the SSL 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 that the client and server certificates are valid. Check that the
client is known to the server certificate. If a client certificate is
used, check that the server is known to it.

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_HTTP407 - SSL error (ICM_HTTP_SSL_ERROR) ?

  The SAP error message SCLNT_HTTP407 SSL error (ICM_HTTP_SSL_ERROR) typically indicates an issue with SSL (Secure Sockets Layer) communication between the SAP system and a client or server. This error can arise due to various reasons, including misconfiguration of SSL settings, certificate issues, or network problems.
  Causes of the Error
  
  
  SSL Certificate Issues:
  
  The SSL certificate may be expired, invalid, or not trusted by the client or server.
  The certificate chain may be incomplete, leading to trust issues.
  
  
  
  Configuration Problems:
  
  Incorrect SSL configuration in the SAP system or the web server.
  Missing or incorrect SSL parameters in the instance profile.
  
  
  
  Network Issues:
  
  Firewall or proxy settings may be blocking SSL traffic.
  Network connectivity issues between the SAP system and the client/server.
  
  
  
  Client Authentication:
  
  The server may require client authentication, and the client may not be providing a valid certificate.
  
  
  
  Protocol Mismatch:
  
  The client and server may not support the same SSL/TLS protocols or cipher suites.
  
  
  
  Solutions
  
  
  Check SSL Certificates:
  
  Verify that the SSL certificate is valid and not