This is used when doing audit to identify the server is Physical or virtual
There are many ways to find the machine type either Physical or Virtual
Using GUI open the System information by typing msinfo32.exe in run command
Result Shown as below and for Physical servers
Result Shown as below and for Virtual servers
for Virtual Machines "System Manufacturer" and "System Model", the screenshot displays "VMware Inc. " & "VMware virtual platform"
From Command prompt also you can find by typing systeminfo in CMD
Also by using below dos command you can find
systeminfo /s %computername% | findstr /c:"Model:" /c:"Host Name" /c:"OS Name"
Below are the two screens shots of Physical & Virtual Machine results