ADFS WID Port 80 Requirement
ADFS WID replication requires port 80 to be open. This is not outlined anywhere in this document: https://docs.microsoft.com/en-us/windows-server/identity/ad-fs/deployment/best-practices-securing-ad-fs
"Note: The primary server must be accessible via HTTP on port 80 from the secondary server."
Please add this note to the best practices document.