Using PowerShell to determine whether Windows is running in a virtual machine

by Mitch Tulloch [Published on 14 Sept. 2011 / Last Updated on 14 Sept. 2011]

How to use Windows PowerShell to determine whether Windows is running in a virtual machine.

If you need to determine whether a particular instance of a Windows operating system is installed on a physical machine or a virtual machine, you can use Windows PowerShell to do this provided you are dealing with a version of Windows that supports PowerShell. Here is a PowerShell function that can determine whether Windows is installed in a virtual machine on either Hyper-V or VMware:

Function isVM {

$objWMI = Get-WmiObject Win32_BaseBoard

$bln = ($objWMI.Manufacturer.Tolower() -match 'microsoft') -or ($objWMI.Manufacturer.Tolower() -match 'vmware')

return $bln}

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The Author — Mitch Tulloch

Mitch Tulloch is a widely recognized expert on Windows administration, networking, and security. He has been repeatedly awarded Most Valuable Professional (MVP) status by Microsoft for his outstanding contributions in supporting users who deploy and use Microsoft platforms, products and solutions. Mitch has published over two hundred articles on different IT websites and magazines, and he has written or contributed to almost two dozen books and is lead author for the Windows 7 Resource Kit from Microsoft Press. For more information, see www.mtit.com .

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