Enrollment Options Available to W10 AD Domain Joined Devices

StuartK73 There is a great article on Docs that summarizes all the options you have.

https://docs.microsoft.com/sv-se/intune/enrollment-restrictions-set

The following methods qualify as being authorized as a Windows corporate enrollment:

• The enrolling user is using a device enrollment manager account.
• The device enrolls through Windows AutoPilot.
• The device is registered with Windows Autopilot but isn't an MDM enrollment only option from Windows Settings.
• The device’s IMEI number is listed in Device enrollment > Corporate device identifiers. (Not supported for Windows Phone 8.1.)
• The device enrolls through a bulk provisioning package.
• The device enrolls through GPO, or automatic enrollment from SCCM for co-management