This site is obsolete and should be used for reference only. The information in this documentation is not guaranteed to work for Bot Framework SDK versions past 4.9.1.
Tutorial: Deploy (web)
Create Microsoft App registration
Follow the Register an application in Azure AD instructions.
Under Supported account types you should select either “Accounts in any organizational directory” or “Accounts in any organizational directory and personal Microsoft accounts” to ensure the Azure Bot Service can correctly expose your bot via Bot Channels.