Functions/Get-MachineType.ps1
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function Get-MachineType { <# .SYNOPSIS A quick function to determine if a computer is VM or physical box. .DESCRIPTION This function is designed to quickly determine if a local or remote computer is a physical machine or a virtual machine. .NOTES inspired by https://gallery.technet.microsoft.com/scriptcenter/Get-MachineType-VM-or-ff43f3a9/view/Discussions Created by: Jason Wasser Modified: 4/20/2017 03:28:53 PM Changelog: * Code cleanup thanks to suggestions from @juneb_get_help * Added Xen AWS Xen for HVM domU To Do: * Find the Model information for other hypervisor VM's (i.e KVM). .EXAMPLE Get-MachineType Query if the local machine is a physical or virtual machine. .EXAMPLE Get-MachineType -ComputerName SERVER01 Query if SERVER01 is a physical or virtual machine. .EXAMPLE Get-MachineType -ComputerName DEMOLAPTOP, CORPDC1 ComputerName Type Manufacturer Model ------------ ---- ------------ ----- DEMOLAPTOP Physical Microsoft Corporation Surface Pro 6 CORPDC1 VM VMware, Inc. VMware Virtual Platform .EXAMPLE Get-MachineType -ComputerName (Get-Content c:\temp\computerlist.txt) Query if a list of computers are physical or virtual machines. .LINK https://gallery.technet.microsoft.com/scriptcenter/Get-MachineType-VM-or-ff43f3a9 .NOTES Put in error checking around Get-CimInstance to handle Kerberos errors. #> [CmdletBinding()] [OutputType('PSCustomObject')] Param ( # ComputerName [Parameter(ValueFromPipeline, ValueFromPipelineByPropertyName, Position = 0)] [Alias('CN', 'Server')] [string[]] $ComputerName = $env:COMPUTERNAME ) begin { Write-Verbose -Message "Starting [$($MyInvocation.Mycommand)]" $CimOption = New-CimSessionOption -EncodePortInServicePrincipalName } process { foreach ($Computer in $ComputerName) { Write-Verbose -Message "Checking $Computer" try { $ComputerSystemInfo = Get-CimInstance -Class Win32_ComputerSystem -ComputerName $Computer -ErrorAction Stop -Verbose:$false } catch { try { $CimSession = New-CimSession -ComputerName $Computer -SessionOption $CimOption $ComputerSystemInfo = Get-CimInstance -Class Win32_ComputerSystem -CimSession $CimSession -ErrorAction Stop -Verbose:$false $CimSession.Close() $CimSession.Dispose() } catch { Write-Error -Message "$Computer`: $($_.Exception.Message)" } } switch -regex ($ComputerSystemInfo.Model) { # Check for Hyper-V Machine Type 'Virtual Machine' { $MachineType = 'VM' } # Check for VMware Machine Type 'VMware' { $MachineType = 'VM' } # Check for Oracle VM Machine Type 'VirtualBox' { $MachineType = 'VM' } # Check for Xen 'HVM domU' { $MachineType = 'VM' } # Otherwise it is a physical Box default { $MachineType = 'Physical' } } # Building MachineTypeInfo Object $MachineTypeInfo = New-Object -TypeName PSObject -Property ([ordered]@{ ComputerName = $ComputerSystemInfo.PSComputername.ToUpper() Type = $MachineType Manufacturer = $ComputerSystemInfo.Manufacturer Model = $ComputerSystemInfo.Model }) Write-Output -InputObject $MachineTypeInfo } } end { Write-Verbose -Message "Ending [$($MyInvocation.Mycommand)]" } } |