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Microsoft: April updates cause Windows Server auth issues
Malware and Vulnerabilities
May 07, 2025
Bleeping Computer
Microsoft has confirmed that the April 2025 security update (KB5055523) is causing authentication issues on domain controllers running Windows Server 2016, 2019, 2022, and 2025.
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Windows Server
Kerberos
CVE-2025-26647
Authentication Issues
Windows Hello For Business
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