How do I find out from powershell if I am on a server or workstation?

Question

This doc explains how to get your windows version, but to find it in PowerShell is harder.

[System.Environment]::OSVersion has a lot of good info but not the Server-Workstation Flag...

Answer 1

$osInfo = Get-CimInstance -ClassName Win32_OperatingSystem
$osInfo.ProductType

See https://msdn.microsoft.com/en-us/library/aa394239%28v=vs.85%29.aspx

ProductType
Data type: uint32
Access type: Read-only
Additional system information.
Work Station (1)
Domain Controller (2)
Server (3)

So if the value is 1, then you are on a workstation OS.

If it's 2 you're on a domain controller.

If it's 3 you're on a server that is not a domain controller.

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If you're on an old version of Windows / PowerShell and want something that will work across all of them, it's the same, but with Get-WmiObject:

$osInfo = Get-WmiObject -Class Win32_OperatingSystem
$osInfo.ProductType

Answer 2

(Get-ComputerInfo).OsProductType

On my machines this returned either WorkStation or Server.