You can get the ID of your Azure tenant by selecting Azure Active Directory -> Properties:
Getting the AAD tenant ID
You can get the tenant ID of any domain by accessing https://login.windows.net/<domainname>.onmicrosoft.com/.well-known/openid-configuration.
For example, for this book, the domain name was handsonaksoutlook: https://login.windows.net/handsonaksoutlook.onmicrosoft.com/.well-known/openid-configuration.
Get Hands-On Kubernetes on Azure now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.