Windows Server 2022 — Kerberos Pre-Authentication Failures Spike Due to SPN Drift — Fix & Prevention
🟠 High ⏱ 5–30 min Last verified: 18 August 2023 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact Kerberos pre-auth failures surge and application authentication becomes intermittent after SPN ownership drift. Services may fall […]