diff --git a/windows/security/threat-protection/windows-defender-atp/configure-server-endpoints-windows-defender-advanced-threat-protection.md b/windows/security/threat-protection/windows-defender-atp/configure-server-endpoints-windows-defender-advanced-threat-protection.md
index 32e7b846b0..770a75c997 100644
--- a/windows/security/threat-protection/windows-defender-atp/configure-server-endpoints-windows-defender-advanced-threat-protection.md
+++ b/windows/security/threat-protection/windows-defender-atp/configure-server-endpoints-windows-defender-advanced-threat-protection.md
@@ -18,6 +18,7 @@ ms.date: 03/05/2018
 
 - Windows Server 2012 R2
 - Windows Server 2016
+- Windows Server version 1803
 - Windows Defender Advanced Threat Protection (Windows Defender ATP)
 
 [!include[Prerelease information](prerelease.md)]