On the shipped build, go to "...\WindowsServer(EOSSystem or your project name)\Binaries\Win64" and paste the content of Utils.
These are security certifications and a StartServer.cmd in order to init the server on the virtual machine. Be sure to modify it with your project name .exe located in the path described before.
Then make a new build on playfab and select:
*Container - Windows
*Ports:
gameport - 7777 - TCP
gameport 2 - 7777 - UDP
Finally, go to Automation portal on playfab on Revisions section and paste the script of "Utils/Automation.txt"
eos-system-win-dedicated-server-playfab-utils.zip