MaskSouceMacEnabled specifies whether source Media Access Control (MAC) address masking is used, enabling Network Load Balancing cluster hosts to connect to different switch ports.


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 source MAC address masking is not used. The Network Load Balancing cluster connects to a hub to re-enable learning in the upstream switch and to conserve its bandwidth.


Specifies that source MAC address masking is used. This is the default value.

Valid Passes


Parent Hierarchy

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

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 source MAC address masking is used.