This is due to the basic architecture of the OS and affects all versions of Windows Phone. While this was certainly a welcome change for many of those users, it also has a large consequence if they own a Windows Phone device.Īccording to Winsupersite, changing the primary alias will no longer allow a Windows Phone product to sign into Microsoft's services, unless the owner decides to implement a hard reset on that phone.
A few days ago, Microsoft announced that it was now allowing anyone who used its online account could now change their primary alias to any of their other aliases.