Merge pull request #48929 from NagaCSC/patch-8

Server Core OS -update

Author: ktoliver

articles/active-directory/devices/hybrid-azuread-join-plan.md

@@ -77,6 +77,8 @@ As a first planning step, you should review your environment and determine wheth
 
 - Hybrid Azure AD join is not supported on Windows down-level devices when using credential roaming or user profile roaming or mandatory profile.
 
+- Server Core OS doesn't support any type of device registration.
+
 ### OS imaging considerations
 - If you are relying on the System Preparation Tool (Sysprep) and if you are using a **pre-Windows 10 1809** image for installation, make sure that image is not from a device that is already registered with Azure AD as Hybrid Azure AD join.