Exchange ActiveSync Device Access Rules and iOS Build Numbers

A change made in late 2024 allows Microsoft 365 tenants to use IOS build numbers in Exchange ActiveSync device access rules. Apparently, the idea is that tenants can insist that people use iOS devices with very specific build numbers (like iOS 18.3.1 22D72) before the devices can synchronize with Exchange Online mailboxes. You never know when you might need the feature (or so they say).