Some of you reported having issues with a lost connection between HRD Alert and WSJT-X when using Multicasting.
This can be prevented by going into Windows Device Manager.
Select Network adapters > your Ethernet Adapter.
Go into it's properties and select the Energy / Power Management Tab
Disable allow the computer to turn off this device to save power
Also we found that McAfee and Norton are blocking Multicast traffic.
Contact theire Support on how to correct that.
Open Norton 360
For McAfee see: https://kc.mcafee.com/corporate/index?page=content&id=KB68697