When using Machine Creation Services, the Delivery Controller must communicate with the configured hosting connection (such as VMware, Hyper-V, Citrix Hypervisor, Nutanix AHV). This communication enables provisioning, power management, and information retrieval from the hypervisor.
Citrix documentation defines the Citrix Host Service as the Delivery Controller service responsible for:
Managing hypervisor connections
Sending provisioning and power-action commands
Communicating with hosting infrastructure APIs
Initiating VM creation and updates for MCS catalogs
The Citrix Broker Service manages session brokering, not hypervisor communication.
The Citrix Environment Test Service focuses on diagnostics.
“Citrix Hypervisor Service” is not a Citrix Delivery Controller service.
Therefore, the correct service enabling Controller-to-hypervisor communication is the Citrix Host Service.
Documentation References:
Citrix Virtual Apps and Desktops → Delivery Controller Services Overview
Citrix Host Service Description within Hosting Connections
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