Cannot add a Microsoft account in Azure AD with the new portal
问题 Some customers of ours are using external Microsoft accounts to access AAD services. Since we're not linked with their domain, and some of them use Gmail account, adding their entire domain to our AAD is hardly possible. The old portal (manage.windowsazure.com) had the following screen: The new portal has a guest system which hardly works (adding an external guest results in a generic B2BError: Unable to invite user with no other details -- even if the old portal still works), and "New user"