TL;DR: When creating an app registrations for a bot, make sure the app ID is created for a multi-tenant access (see below screen capture); the resulting manifest has to specify signInAudience = Azure...
Updated Aug 19, 2019
Version 3.0Pingulea
Iron Contributor
Joined March 14, 2019
IIS Support Blog
Follow this blog board to get notified when there's new activity