Documention says Server 2012 and above. ATP portal lists Server 2008 R2 as option for onboarding? · Issue #3208 · MicrosoftDocs/windows-itpro-docs · GitHub
Microsoft Defender ATP EDR support for Windows Server 2008 R2 now generally available
Protecting Windows Server with Windows Defender ATP - Microsoft Community Hub
Protecting Windows Server with Windows Defender ATP - Microsoft Community Hub
Connecting servers without Internet access to Windows Defender ATP - Microsoft Community Hub
Windows Server 2008 R2 SP1 Gets Microsoft Defender ATP Support -- Microsoft Certified Professional Magazine Online
ATP Server – AIES.com.my
Windows Server 2019 Windows Defender Advanced Threat Protection - Thomas Maurer
Secure and Monitor Domain Controllers with Azure ATP
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Microsoft Advanced Security on Windows Server | by Derk van der Woude | Medium
A Look at Windows Defender Advanced Threat Protection (WD ATP) | Practical365
Windows Server 2019 Windows Defender Advanced Threat Protection - Thomas Maurer
ATP in Office 365 E5: What's it all about? | SoftwareONE Blog
Microsoft Defender ATP Standalone Pricing For All Platforms
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Legacy Windows Support for Microsoft Defender ATP | Just a Tech from Memphis
Microsoft Defender for Endpoint | Onboarding Windows Server 2012 R2 - YouTube
SOLVED] Windows Core and Defender ATP - Windows Server