Register Domain-Joined Computers as Devices – The Redundant and Broken Hybrid Azure AD Join GPO

Register Domain-Joined Computers as Devices – The Redundant and Broken Hybrid Azure AD Join GPO

The group policy object Register domain-joined computers as devices, or Automatically workplace join client computers in older templates, was previously a requirement for enabling Hybrid Azure AD Join.  After configuring Azure AD Connect and your Seamless SSO GPOs, this had to be enabled. Since Windows 10 1607 ("Anniversary Update"), in Azure AD Connect environments, on-premises Active Directory joined computers become Azure Active Directory registered when a synchronised user signs in to a synchronised computer;…