Removal of the network of virtual machines powered cards

I wanted to remove the network adapters on multiple virtual machines, so I thought that he would do a simple script:

Get-NetworkAdapter -vm test* | ?{$_.NetworkName -like "dummy"} |Remove-NetworkAdapter

But this results only by mistake because the virtual machine is running:

Remove-NetworkAdapter: 2013-08-13 15:58:48 NetworkAdapter Remove the

Virtual MACHINE must be in the following State: PoweredOff.

Is it possible to get around this problem?

Given that this is possible through the vSphere Client he gave me the chance to try Onyx. Here is the result of the Onyx:

$spec = New-Object VMware.Vim.VirtualMachineConfigSpec
$spec.changeVersion = "2013-08-14T07:04:15.86208Z"
$spec.deviceChange = New-Object VMware.Vim.VirtualDeviceConfigSpec[] (1)
$spec.deviceChange[0] = New-Object VMware.Vim.VirtualDeviceConfigSpec
$spec.deviceChange[0].operation = "remove"
$spec.deviceChange[0].device = New-Object VMware.Vim.VirtualVmxnet3
$spec.deviceChange[0].device.key = 4000
$spec.deviceChange[0].device.deviceInfo = New-Object VMware.Vim.Description
$spec.deviceChange[0].device.deviceInfo.label = "Network adapter 1"
$spec.deviceChange[0].device.deviceInfo.summary = "dummy"
$spec.deviceChange[0].device.backing = New-Object VMware.Vim.VirtualEthernetCardNetworkBackingInfo
$spec.deviceChange[0].device.backing.deviceName = "dummy"
$spec.deviceChange[0].device.backing.useAutoDetect = $false
$spec.deviceChange[0].device.backing.inPassthroughMode = $false
$spec.deviceChange[0].device.connectable = New-Object VMware.Vim.VirtualDeviceConnectInfo
$spec.deviceChange[0].device.connectable.startConnected = $true
$spec.deviceChange[0].device.connectable.allowGuestControl = $false
$spec.deviceChange[0].device.connectable.connected = $true
$spec.deviceChange[0].device.connectable.status = "ok"
$spec.deviceChange[0].device.controllerKey = 100
$spec.deviceChange[0].device.unitNumber = 7
$spec.deviceChange[0].device.addressType = "assigned"
$spec.deviceChange[0].device.macAddress = "00:50:56:8f:74:52"
$spec.deviceChange[0].device.wakeOnLanEnabled = $false

$_this = Get-View -Id 'VirtualMachine-vm-646'
$_this.ReconfigVM_Task($spec)

After the stripping it down a bit I ended up with:

$spec = New-Object VMware.Vim.VirtualMachineConfigSpec
$spec.deviceChange = New-Object VMware.Vim.VirtualDeviceConfigSpec[] (1)
$spec.deviceChange[0] = New-Object VMware.Vim.VirtualDeviceConfigSpec
$spec.deviceChange[0].operation = "remove"
$spec.deviceChange[0].device = New-Object VMware.Vim.VirtualVmxnet3
$spec.deviceChange[0].device.key = 4000
$spec.deviceChange[0].device.deviceInfo = New-Object VMware.Vim.Description
$spec.deviceChange[0].device.deviceInfo.label = "Network adapter 1"
$spec.deviceChange[0].device.deviceInfo.summary = "dummy"

$_this = Get-View -Id 'VirtualMachine-vm-646'
$_this.ReconfigVM_Task($spec)

Run this doesn't give any errors, but are still all NICs.

Is there a way to easy or better for this script?

You must create an entry in the DeviceChange property by the device you wish to reconfigure.

Try something like this

$VMs = Get-VM test*

$NICs = 1..6 | %{"Network Adapter $_"}$i = 0

foreach($VM in $VMs){  $spec = New-Object VMware.Vim.VirtualMachineConfigSpec  $Adapters = Get-NetworkAdapter -VM $VM|?{$_.NetworkName -like "dummy"}  foreach($Adapter in $Adapters){    if($NICs -contains $Adapter){      $devSpec = New-Object VMware.Vim.VirtualDeviceConfigSpec      $devSpec.operation = "remove"      $devSpec.device += $Adapter.ExtensionData      $spec.deviceChange += $devSpec    }  }  $VM.ExtensionData.ReconfigVM_Task($spec)}

Tags: VMware

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