Before “the cloud”, it was already common to run Active Directory installs as active-active in on- prem scenarios, since those installs would’ve hit outages pre

Before “the cloud”, it was already common to run Active Directory installs as active-active in on- prem scenarios, since those installs would’ve hit outages pretty early after installing AD. Maybe not across data center regions, but AD admins learn real quick to have redundancy and backups. Porting over to Azure AD probably wasn’t such an issue then, as most firms would lift&shift their on-prem to the cloud, keeping the same configurations.