You have a Nano Server that runs Windows Server 2016. The Nano Server runs on a physical machine.
You have not Installed any packages on the server.
You attach a new disk to the server, and you initialize the disk as a GPT disk.
You need to create an RefS-formatted volume on the new disk. What should you do first?
A. From the physical server, log on to the Nano Server Recovery Console.
B. Install the Microsoft-Nano’Server-Host-Package package.
C. Run me Format-Volume cmdlet and specify the -FileSystem switch.
D. Install the Microsoft NanoServef-Storage-Package package.
That’s right
https://www.itprotoday.com/windows-8/refs-requirements-nano-server