10 blocks taking you from zero to job-ready on on-premises Active Directory. Every lab mirrors a real task a Windows sysadmin or AD engineer faces in production — scripting, user and group management, GPOs, FSMO roles, sites, PKI, and enterprise break-fix. Pure on-prem, no cloud.
AD recovery from tombstone, FSMO seizure, GPO conflict resolution, scripted onboarding at scale, multi-site replication fault-finding, and a full enterprise AD build from scratch.