Get-GuestSystem

VMware: Retrieves the guest operating system of the specified virtual machine

Script

#Requires -Version 5.1
#Requires -Modules VMware.VimAutomation.Core
[CmdletBinding(DefaultParameterSetName = "byName")]
Param(
    [Parameter(Mandatory = $true, ParameterSetName = "byID")]
    [Parameter(Mandatory = $true, ParameterSetName = "byName")]
    [string]$VIServer,
    [Parameter(Mandatory = $true, ParameterSetName = "byID")]
    [Parameter(Mandatory = $true, ParameterSetName = "byName")]
    [pscredential]$VICredential,
    [Parameter(Mandatory = $true, ParameterSetName = "byID")]
    [string]$VMId,
    [Parameter(Mandatory = $true, ParameterSetName = "byName")]
    [string]$VMName,
    [Parameter(ParameterSetName = "byID")]
    [Parameter(ParameterSetName = "byName")]
    [ValidateSet('*', 'OSFullName', 'State', 'IPAddress', 'Disks', 'ConfiguredGuestId', 'ToolsVersion')]
    [string[]]$Properties = @('OSFullName', 'State', 'IPAddress', 'Disks', 'ConfiguredGuestId', 'ToolsVersion')
)
Process {
    $vmServer = $null
    try {
        if ($Properties -contains '*') { $Properties = @('*') }
        $vmServer = Connect-VIServer -Server $VIServer -Credential $VICredential -ErrorAction Stop
        $timestamp = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
        if ($PSCmdlet.ParameterSetName -eq "byID") {
            $machine = Get-VM -Server $vmServer -Id $VMId -ErrorAction Stop
        }
        else {
            $machine = Get-VM -Server $vmServer -Name $VMName -ErrorAction Stop
        }
        $result = Get-VMGuest -VM $machine -Server $vmServer -ErrorAction Stop | Select-Object $Properties
        foreach ($item in $result) {
            $item | Add-Member -NotePropertyName 'Timestamp' -NotePropertyValue $timestamp -Force
            Write-Output $item
        }
    }
    catch { throw }
    finally { if ($null -ne $vmServer) { Disconnect-VIServer -Server $vmServer -Force -Confirm:$false -ErrorAction SilentlyContinue } }
}

Customize

VIServer string

IP address or DNS name of the vSphere server

VICredential pscredential

PSCredential object for authenticating with the server

VMId string

ID of the virtual machine

VMName string

Name of the virtual machine

Properties string

List of properties to expand; use * for all properties