Basis & Technology
What is Internet Communication Manager (ICM)?
The SAP component that handles HTTP, HTTPS, and SMTP communication for an ABAP application server.
ICM serves Fiori, WebGUI, OData, and web services. HTTP services are activated in SICF. ICM issues show up as HTTP errors in browser-based tests.
Related transaction codes
Related terms
HTTP Service Hierarchy (SICF)
The transaction for maintaining and activating HTTP services in an ABAP system.
SAP GUI for HTML
A browser-rendered version of classic SAP GUI transactions, served through the Internet Transaction Server in ICM.
SAP Web Dispatcher
A reverse proxy and load balancer for HTTP(S) traffic to SAP systems.
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