What minimum requirement is necessary to enable Self-Service (formerly Calm) policies for scheduling and approval...

To enable Self-Service (formerly Calm) policies for scheduling and approval tasks, the minimum requirement is the Policy Engine VM. The Policy Engine VM is responsible for managing and enforcing policies, including scheduling and approval processes within Nutanix Calm.

References:

Nutanix documentation on Policy Engine.

Nutanix Best Practices for Scheduling and Approval.