How To Fix SCLNT_HTTP427 - Unexpected error with connection to HTTP proxy (ICM_HTTP_PROXY_ERROR)

SCLNT_HTTP427 - Overview

• Message type: E = Error

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

• Message number: 427

• Message text: Unexpected error with connection to HTTP proxy (ICM_HTTP_PROXY_ERROR)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCLNT_HTTP427 - Unexpected error with connection to HTTP proxy (ICM_HTTP_PROXY_ERROR) ?

  The SAP error message SCLNT_HTTP427 indicates an unexpected error with the connection to an HTTP proxy, specifically related to the Internet Communication Manager (ICM). This error can occur in various scenarios, such as when the SAP system is trying to connect to an external service through a proxy server.
  Causes
  
  Proxy 
  Configuration Issues: Incorrect settings in the HTTP proxy configuration can lead to connection failures.
  Network Issues: Problems with the network, such as firewalls blocking the connection or DNS resolution issues.
  Proxy Server Down: The proxy server itself may be down or experiencing issues.
  Authentication Issues: If the proxy requires authentication, and the credentials are not provided or are incorrect, this error may occur.
  Timeouts: The connection to the proxy may be timing out due to slow network conditions or high latency.
  SSL/TLS Issues: If the connection is secured (HTTPS), issues with SSL/TLS certificates can also lead to this error.
  
  Solutions
  
  
  Check Proxy Configuration:
  
  Verify the proxy settings in the