5 guides
Protect your domain with a proper Active Directory system state backup. Learn wbadmin backups, DSRM, authoritative vs non-authoritative restore, and why snapshots aren't enough.
Locked out by BitLocker? Find your recovery key from a Microsoft account, Entra ID, Active Directory, or a printout — and learn why it's asked for after BIOS changes.
SYSVOL or NETLOGON missing on a domain controller? Learn to diagnose DFSR vs FRS, check the shares, and run authoritative or non-authoritative sync to recover.
Pillar Guide
Learn the 5 FSMO roles, when to transfer them gracefully vs seize them after a DC failure, and how to do both with ntdsutil and PowerShell — safely.
Pillar Guide
A practical, step-by-step guide to diagnosing and fixing Active Directory replication error 1722 — the RPC server is unavailable — from DNS to firewall to RPC ports.