This is page talks all about SCCM and Intune (MECM).
SCCM is Microsoft Microsoft Endpoint Manager Configuration Manager. This solution is used by most of the organizations in the world to manage their enterprise devices. This is the best resource to Learn and troubleshoot on issues.
Server Client Application
This solution is a server-client application. All the managed clients’ details and inventory is stored in the CM SQL database.
SCCM Core infrastructure, Updates for Configuration Manager, Supported configurations for Configuration Manager, Cloud-attached management of CM, Co-management for Windows 10,
Manage clients on the internet, Windows as a service, CMPivot, Application management.
SCCM Log Files :
https://docs.microsoft.com/en-us/mem/configmgr/core/plan-design/hierarchy/log-files
Cross Forest Support in ConfigMgr :
https://www.1e.com/news-insights/blogs/mvp-questions-answered/
https://systemcenterdudes.com/installing-sccm-dp-mp-sup-untrusted-domain/