Upgrading to Windows Server 2025 from Windows Server 2012 R2, 2016, 2019, or 2022 using Media (ISO)

About media-based upgrade to Windows Server 2025 With N-4 media based upgrades, you can upgrade your organization’s physical devices and virtual machines directly from Windows…

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• Netlogon protocol sealing enforcement
• Certificate mapping enforcement
• PAC validation enforcement changes
• Kerberos PAC signature enforcement
• Secure Boot revocation phases