Update how-to-connect-install-prerequisites.md

Author: RobdeJong

articles/active-directory/hybrid/how-to-connect-install-prerequisites.md

@@ -57,7 +57,7 @@ To read more about securing your Active Directory environment, see [Best practic
 
 #### Installation prerequisites
 
-- Azure AD Connect must be installed on a domain-joined Windows Server 2016 or later. 
+- Azure AD Connect must be installed on a domain-joined Windows Server 2016 or later - note that Windows Server 2022 is not yet supported. 
 - The minimum .Net Framework version required is 4.6.2, and newer versions of .Net are also supported.
 - Azure AD Connect can't be installed on Small Business Server or Windows Server Essentials before 2019 (Windows Server Essentials 2019 is supported). The server must be using Windows Server standard or better. 
 - The Azure AD Connect server must have a full GUI installed. Installing Azure AD Connect on Windows Server Core isn't supported.