Microsoft accounts cannot receive SMS codes.

Network delay. Microsoft put the server overseas and used Microsoft account in China, so the network delay is very large, which will lead to the inability to receive SMS codes. "MicrosoftAccount" (also known as "Microsoft account" in English) is a new name of the previous "WindowsLiveID", which is a combination of email address and password used by Microsoft account when logging into services such as Outlook, OneDrive, WindowsPhone or XboxLive.