Windows 11 and Server Update Issues: NTLM & Kerberos Authentication Failures

Описание: In this video, we discuss the recent Windows 11 and Server update issues confirmed by Microsoft. Learn about the NTLM and Kerberos authentication failures affecting users after the August 2025 updates. Understand the cause, including duplicate Security IDs (SIDs), and what steps Microsoft recommends to resolve these issues. We also explore the security changes and their impact on Remote Desktop connections and user credentials.
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Keywords: Windows 11, Windows Server, NTLM authentication, Kerberos failure, Security IDs, Microsoft updates, August 2025, Remote Desktop failure, Windows 11 security, update issues