Convert VMware VM NIC adapter from e1000 to VMXNET3

gistfile1.ps1

Add-PSSnapin VMware.VimAutomation.Core
Add-PSSnapin VMware.VimAutomation.VDS

$viserver = 'vi_server'
$credentials = Get-Credential

Connect-VIServer -Server $viserver -Credential $credentials
Write-Output

#Adpter type to retrive
$vm_adapter_type = "e1000"
$server = "vm_name"
$Data = @()

$VM = Get-VM -Name $server | Where {$_.PowerState -eq "PoweredOn"}

#Take snapshot
New-Snapshot -VM $VM -Name "Before NIC Update to VMXNET3"

Try {
    $NICs = Get-NetworkAdapter -VM $VM | Where-Object {$_.type -eq  $vm_adapter_type}

    $NICs

    ForEach ($NIC in $NICs) {
        Write-Output $NIC.Id
        
        $INTERFACE = Get-VMGuestNetworkInterface -VM $VM -GuestCredential $credentials -ErrorAction Stop | Where-Object {$_.NicId -eq $NIC.Id}
        $INTERFACE

        $hash = @{
            ip = $INTERFACE.Ip
            netmask = $INTERFACE.SubnetMask
            gateway = $INTERFACE.DefaultGateway
            dns = $INTERFACE.Dns
            dnspolicy = $INTERFACE.DnsPolicy
            ippolicy = $INTERFACE.IPPolicy
            nicid = $INTERFACE.NicId
            vmId = $INTERFACE.VMId
        }

        set-networkadapter -NetworkAdapter $NIC -type vmxnet3 -confirm:$false

        $Object = New-Object PSObject -Property $hash
        $Data += $Object
        $Data
    }

    #Disable IPv6, edit the registry
    Write-Output "Disabling IPv6"
    $script = ' 
function Elevate-Process  {
param ([string]$exe = $(Throw "Pleave provide the name and path of an executable"),[string]$arguments)
$startinfo = new-object System.Diagnostics.ProcessStartInfo 
$startinfo.FileName = $exe
$startinfo.Arguments = $arguments 
$startinfo.verb = "RunAs" 
$process = [System.Diagnostics.Process]::Start($startinfo)
}

Elevate-Process -Exe powershell.exe -Arguments "-noninteractive -command reg add hklm\system\currentcontrolset\services\tcpip6\parameters /v DisabledComponents /t REG_DWORD /d 255 /f"
'

    Invoke-VMScript -VM $VM -ScriptText $script -ScriptType PowerShell

    Shutdown-VMGuest -VM $VM -Confirm:$false
    do {
        sleep 1.0
    } while (Get-VM $VM | Where {$_.PowerState -eq "PoweredOn"})
    
    Write-Output "Shutdown Complete"

    Start-VM -VM $VM -Confirm:$false 

    do {
        sleep 1.0
    } while (Get-VM $VM | Get-VMGuest | Where {$_.State -ne "Running"})

    sleep 20.0

    Write-Output "Startup Complete"

    $NICs = Get-NetworkAdapter -VM $VM

    ForEach ($NIC in $NICs) {
        ForEach ($object in $Data) {
            IF ($object.nicid -eq $NIC.ID) {
            
                $failed = 1
                do {
                    Try {
                        Write-Output "Attempting to get $NIC details"
                        $vminterface = Get-Vm -Id $object.vmId -ErrorAction Stop | Get-VMGuestNetworkInterface -GuestCredential $credentials -ErrorAction Stop | Where-Object {$_.NicId -eq $NIC.Id} -ErrorAction Stop
                        $failed = 0
                    }
                    Catch [system.exception] {
                        Write-Output "Caught an exception: " $Error[0].Exception.Message -ForegroundColor Red
                        $failed = 1
                    }
                } until ( $failed -eq 0)
            
                if ($object.gateway -ne "") {
                    Write-Output "Setting $NIC details"
                    Set-VMGuestNetworkInterface -VmGuestNetworkInterface $vminterface -Dns $object.dns -DnsPolicy $object.dnspolicy -Gateway $object.gateway -Ip $object.ip -IPPolicy $object.ippolicy -Netmask $object.netmask
                    Write-Output "$NIC has been configured"
                } Else {
                    Write-Output "Setting $NIC details"
                    Set-VMGuestNetworkInterface -VmGuestNetworkInterface $vminterface -Ip $object.ip -IPPolicy $object.ippolicy -Netmask $object.netmask
                    Write-Output "$NIC has been configured"
                }
            }
        }
    }
} Catch {
    Write-Output "Unable to query the $VM network interface"
}