Dell Technologies assumes that the management services that are required for the operating system deployment and cluster configuration are in the existing infrastructure where the Azure Stack HCI cluster is being deployed.
The following table describes the management services:
|Active Directory||User authentication||Required|
|Domain Name System||Name resolution||Required|
|Windows Software Update Service (WSUS)||Local source for Windows updates||Optional|
|SQL Server||Database back-end for System Center VMM and System Center Operations Manager (SCOM)||Optional|