Active Directory-Based Activation A role service that allows you to use Active Directory Domain Services (AD DS) to store activation objects.
Advanced Format disk A disk that uses a 4092-byte physical sector.
Affinity The ability to control how a cluster reacts to repeated requests from the same client.
Alerts A Data Collector Set feature that allows you to configure notifications when counters breach certain thresholds.
Automatic Virtual Machine Activation A technology that allows you to install virtual machines on a properly activated Windows server without having to manage product keys for each individual virtual machine.
Azure Container Services (ACS) Clustered virtual machines for running container-based applications.