This is very simple function to report all virtual machines in the defined System Center Virtual Machine Manager (SCVMM) with disconnected network adapters or with network adapters without specified VLAN.

Examples

Report

Get-RvSCVirtualNetworkAdapter -VMMServer firstVMM, secondVMM, thirdVMM -NoVMNetworkOrNoVLan | Out-GridView

Code

Function Get-RvSCVirtualNetworkAdapter
{
    <#
    .SYNOPSIS
        Get network adapters of virtual machine on defined SCVMM server.

    .DESCRIPTION
        Developer
            Developer: Rudolf Vesely, http://rudolfvesely.com/
            Copyright (c) Rudolf Vesely. All rights reserved
            License: Free for private use only

            "RV" are initials of the developer's name Rudolf Vesely and distingue names of Rudolf Vesely's cmdlets from the other cmdlets.

        Description
            Get network adapters of virtual machine on defined SCVMM server.

        Requirements
            Developed and tested using PowerShell 4.0.

    .PARAMETER NoVMNetwork
        Get only disconnected NICs (no network).

    .PARAMETER NoVLan
        Get only NICs without specified VLAN.

    .EXAMPLE
        Get-RvSCVirtualNetworkAdapter -VMMServer firstVMM, secondVMM, thirdVMM -NoVMNetworkOrNoVLan |
            Format-Table -Property Name, VirtualNetwork, LogicalNetwork, LogicalSwitch, VMNetwork, VLanEnabled, VLanID -AutoSize

    .INPUTS

    .OUTPUTS

    .LINK
        https://techstronghold.com/
    #>

    [CmdletBinding(
        DefaultParametersetName = 'All',
        SupportsShouldProcess = $true,
        PositionalBinding = $false,
        HelpURI = 'https://techstronghold.com/',
        ConfirmImpact = 'Medium'
    )]

    Param
    (
        [Parameter(
            Mandatory = $false,
            # Position = ,
            ParameterSetName = 'All'
        )]
        [switch]$All,

        [Parameter(
            Mandatory = $false,
            # Position = ,
            ParameterSetName = 'NoVMNetwork'
        )]
        [switch]$NoVMNetwork,

        [Parameter(
            Mandatory = $false,
            # Position = ,
            ParameterSetName = 'NoVLan'
        )]
        [switch]$NoVLan,

        [Parameter(
            Mandatory = $false,
            # Position = ,
            ParameterSetName = 'NoVLan'
        )]
        [switch]$NoVMNetworkOrNoVLan,

        [Parameter(
            Mandatory = $false
            # Position = ,
            # ParameterSetName = ''
        )]
        [ValidateLength(1, 255)]
        [string[]]$VMMServer = '.'
    )

    Begin
    {
        # Configurations
        $ErrorActionPreference = 'Stop'
        if ($PSBoundParameters['Debug']) { $DebugPreference = 'Continue' }
        Set-PSDebug -Strict
        Set-StrictMode -Version Latest
    }

    Process
    {
        foreach ($vmmServerItem in $VMMServer)
        {
            Get-SCVirtualNetworkAdapter -All | ForEach-Object -Process `
            {
                if ($NoVMNetwork)
                {
                    if (!$_.VirtualNetwork -or !$_.VMNetwork) { $_ }
                }
                elseif ($NoVLan)
                {
                    if (!$_.VLanEnabled -or !$_.VLanID) { $_ }
                }
                elseif ($NoVMNetworkOrNoVLan)
                {
                    if (!$_.VLanEnabled -or !$_.VLanID -or !$_.VirtualNetwork -or !$_.VMNetwork) { $_ }
                }
                else
                {
                    $_
                }
            }
        }
    }

    End
    {
    }
}
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