Performance: It is fast. Detection of the domain controller is near-instantaneous on modern hardware, assuming DNS is configured correctly on the client.
The UI is deceptive. The most prominent button encourages users to "Sign in" with an Azure AD/Entra ID account. An inattentive technician might accidentally Entra-join the device when they intended to domain-join it. This is a UI design choice that prioritizes cloud services over local infrastructure, which can be frustrating for on-prem admins. add windows 11 to domain
whoami
If you meant Azure AD (Microsoft Entra ID) joining instead of traditional Active Directory, let me know and I'll provide that guide as well. Performance: It is fast