Change the mac address live vm

Hello

I installed a vcenter and migrated all the object from the old to the new, and I imported my dvswitch. After a problem due to the import, I migrated all the VM on dvswitch to a new, and I used code powercli to assign the new portgroup below:

Function Set-dvSwitch {}

Param ($vmName, $dvPG) # two parameters.

$nic = "Network adapter 1" change in # this line if you want to change the NIC 2

# Find the NETWORK card

$vm = get - VM $vmName | Get-View

foreach ($tempdev in $vm. Config.Hardware.Device) {}

if($tempdev.) DeviceInfo.Label - eq $nic) {}

$tgtdev = $tempdev

}

}

# Find the dvSwitch & dvPortGroup

$esx is get-view-Id $vm. Runtime.Host

{foreach ($netMoRef to $esx.Network)}

If {($netMoRef.Type-eq "DistributedVirtualPortGroup")}

$net = get-view-Id $netMoRef

if($net.) {Name - eq $dvPg)}

$dvPGKey = $net. MoRef.Value

$dvSwitchUuid = (get-View-Id $net.) Config.DistributedVirtualSwitch). Summary.Uuid

}

}

}

# Prepare Spec

$spec = new-Object VMware.Vim.VirtualMachineConfigSpec

$devChange = new-Object VMware.Vim.VirtualDeviceConfigSpec

$devChange.operation = "Edit."

$dev = new Object ("VMware.Vim" + $tgtdev. GetType(). Name)

$dev.deviceInfo = new-Object VMware.Vim.Description

$dev.deviceInfo.label = $tgtdev. DeviceInfo.Label

$dev.deviceInfo.summary = $tgtdev. DeviceInfo.Summary

$dev. Backup = New-Object VMware.Vim.VirtualEthernetCardDistributedVirtualPortBackingInfo

$dev. Backing.Port = New-Object VMware.Vim.DistributedVirtualSwitchPortConnection

$dev. Backing.Port.PortgroupKey = $dvPGKey

$dev. Backing.Port.SwitchUuid = $dvSwitchUuid

$dev. Key = $tgtdev. Key

$devChange.Device = $dev

$spec.deviceChange = $devChange

$taskMoRef = $vm. ReconfigVM_Task ($spec)

}

It does the job, but he has changed all the MAC of my virtual machine. Currently, I have around 400VM with a MAC OS and another MAC on the side of vmware.

The code above has changed vm MAC I would configure the old MAC on the vm side to avoid reboot all my VM.

If anyone knows how to do this, it will save me.

Thank you

It should work, tested several times without problem (if your VM 1 nic, you need to identify that one to change to another)

$thisAdapter = get-NetworkAdapter - Vm Test123

$thisAdapter.ExtensionData.AddressType = "manual".

$thisAdapter.ExtensionData.MacAddress = "00:40:16:96:0 d: 94.

Together-NetworkAdapter $thisAdapter - confirm: $false

Tags: VMware

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