D: Seamless SSO works with any method of cloud authentication - Password Hash Synchronization or Pass-through Authentication, and can be enabled via Azure AD Connect. B: You can gradually roll out Seamless SSO to your users. You start by adding the following Azure AD URL to all or selected users' Intranet zone settings by using Group Policy in Active Directory: https://autologon.microsoftazuread-sso.com Incorrect Answers: A: Seamless SSO needs the user's device to be domain-joined, but doesn't need for the device to be Azure AD Joined. C: Azure AD connect does not port 8080. It uses port 443. E: Seamless SSO is not applicable to Active Directory Federation Services (ADFS). Scenario: Users in the Miami office must use Azure Active Directory Seamless Single Sign-on (Azure AD Seamless SSO) when accessing resources in Azure. Planned Azure AD Infrastructure include: The on-premises Active Directory domain will be synchronized to Azure AD.