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Microsoft Certified: Windows Server Administrator Associate (exam AZ-802: Administering Windows Server) AZ-802 · Domain 7: Monitor and troubleshoot Windows Server environments

AD DS recovery: Directory Services Restore Mode, authoritative vs non-authoritative restore, authoritative SYSVOL (DFSR) restore

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Last reviewed September 25, 2026 · Leer en español

Sooner or later someone deletes an OU full of users, or a DC's database becomes corrupted. To recover, you need a good system state backup and an understanding of how AD replication treats restored data. The central question is whether you want the restored data to be overwritten by replication partners, or to overwrite them.

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