Skip to main content
iOS
iPadOS
The screenshots in this manual show the Japanese version of each screen.

iPhone could not be added

If this occurs while registering a device in Apple Business (formerly Apple Business Manager) using Apple Configurator, it indicates that the device is already registered in Apple Business.
This device is already enrolled in the Device Enrollment Program may also be displayed.

◆ Cases that can cause this
This can occur when the purchased device is a used device.
If there is no problem with the registration operation in your BizMobile Go! environment, the likely cause is that the previous owner's registration information remains in Apple Business.

◆ Solution
This cannot be resolved in BizMobile Go!. Contact Apple or the seller you purchased the device from directly.

Back to FAQ top

Last updated: November 6, 2025