diff --git a/windows/security/threat-protection/windows-defender-application-control/allow-com-object-registration-in-windows-defender-application-control-policy.md b/windows/security/threat-protection/windows-defender-application-control/allow-com-object-registration-in-windows-defender-application-control-policy.md
index 294b63f287..785d80cbcc 100644
--- a/windows/security/threat-protection/windows-defender-application-control/allow-com-object-registration-in-windows-defender-application-control-policy.md
+++ b/windows/security/threat-protection/windows-defender-application-control/allow-com-object-registration-in-windows-defender-application-control-policy.md
@@ -16,6 +16,7 @@ ms.date: 05/21/2019
 
 -   Windows 10
 -   Windows Server 2016
+-   Windows Server 2019
 
 >[!IMPORTANT]
 >Some information relates to prereleased product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.