If you missed the live stream of B2B demo !! Not a problem
The initial scenario in the preview for is external user AD account lifecycle management. In this scenario, an organization has invited guests into their Azure AD directory and wishes to give those guests access to on-premises Windows Integrated Authentication or Kerberos-based applications, via the Azure AD application proxy or other gateway mechanisms. The Azure AD application proxy requires each user to have their own AD DS account, for identification and delegation purposes
Documentation:
IRL Mixer Stream Link: https://mixer.com/msidmvp?vod=35578456 Only Available 30 days
YouTube Link: https://youtu.be/Ia8tOVoT8yQ
Below are the configuration and solution files used in the demo. Please use in your lab and TEST!! TEST!! TEST!!