MulticastSpoofEnabled specifies whether to address resolution protocol (ARP) traffic is spoofed to resolve requests for virtual IP addresses to the multicast media access control (MAC) address of the cluster. This parameter applies only in multicast modes of operation.


To enable this Network Load Balancing setting, the NetworkLoadBalancingFullServer package must be enabled in the Windows image you are installing. To do this, use Windows System Image Manager to add the Microsoft-Windows-Foundation-Package to your answer file, and then configure the NetworkLoadBalancingFullServer package to enable it. For more information about adding and configuring packages, see the OEM Preinstallation Kit User's Guide or the Windows Automated Installation Kit User's Guide.



Specifies that traffic is spoofed. This is the default value.


Specifies that traffic is not spoofed.

Valid Passes


Parent Hierarchy

Microsoft-Windows-NetworkLoadBalancing-Core | Clusters | Cluster | MulticastSpoofEnabled

Applies To

For the list of the supported Windows editions and architectures that this component supports, see Microsoft-Windows-NetworkLoadBalancing-Core.

XML Example

The following XML output specifies that traffic is not spoofed.