Starting with NI-DAQmx 7.4, DAQmx Property Nodes have a property filter capability. By default, the filter dynamically changes which properties are displayed depending on the installed and configured devices on the system. This prevents confusion by disabling features that your device doesn't have the hardware to support.
To change the DAQmx Property Node filter settings, right-click on the property node
and click Select Filter...
The Configure Filter Settings should appear:
Selecting Show All Attributes will cause LabVIEW to display all properties regardless of which devices are configured on that computer.