It doesn't work with per device licensing.Įnable subscription activation with an existing EA Subscription activation requires Enterprise per user licensing.Automatic, non-KMS activation also requires a device with a firmware-embedded activation key.Subscription activation with an enterprise agreement (EA) or a Microsoft Products & Services Agreement (MPSA).These activation features require a supported and licensed version of Windows 10 Pro or Windows 11 Pro: This article describes how to deploy Windows 10 or Windows 11 Enterprise E3 or E5 licenses with subscription activation or Enterprise E3 in CSP and Azure Active Directory (Azure AD).