3.1 Prerequisites
The notification package uses the following components:

vCenter Orchestrator 5.1 Server.

vCenter Orchestrator 5.1 Client.

vCloud Director 5.1.

vCenter Orchestrator vCloud Director 5.1 plug-in.

vCenter Orchestrator AMQP 1.01 plug-in.
vCenter Orchestrator Microsoft Active Directory
1.01 plug-in.

vCenter Orchestrator Mail plug-in.
Compatible AMQP Serve, such as VMware vFabric™ RabbitMQ™
2.0 and later.

vSphere 5.1 Server (Optional – UI alternative).

vCenter Orchestrator Perspective plug-in (Optional – UI alternative).