Active Directory Replication Status Tool (ADREPLSTATUS) Rises Again

Active Directory fails in two flavors—DC outages and logical corruption of directory data—but recovery plans often address only the first; the post explains why logical corruption is harder to heal.

Why VM snapshots of domain controllers are unsupported: how USN rollback breaks replication across the up-to-dateness vector, and what separates supported AD snapshots from the risky kind.

Semperis argues AI-driven attacks are outpacing identity teams as machine identities outnumber human ones 10:1, and urges building organization-wide cyber resilience around hybrid identity protection before the next crisis.

Semperis DSP adds a Service Accounts Protection module that discovers and monitors risky service accounts, plus automated response rules and AD object lists to streamline hybrid AD administration.

DCSync attackers impersonate a domain controller to pull password hashes from a DC via the DRS protocol—no code runs on it, and audit trails are bypassed. Covers Purple Knight detection and defense.

Part 1 of the CISA/NSA top ten misconfigurations series for AD: default configurations, improper privilege separation, and lack of internal monitoring, with remediation guidance.