powercli - changing the network adapter for multiple VM's in a cluster

network_adapter_change_multipe_vms.ps1

<#
  .Author
   Sandeep S R

   .Synopsis
    A simple script to Change the network adapter of a VM
    
  .Note
    - Copy the vm names into a text file named "servers" and place it into C:\temp before executing the script
    - in $cl , provide the cluster name Ex : "cluster-25"
    - specify the adapter name you would like to change to based on the request
    - Change the Vcenter details in Connect-Viserver 
  
  .How to run Script
    - before running the script please set the transcript info to get the log information
      use start-transcript   Ex: Start-Transcript -Path C:\temp\log.txt
      so that logs will be saved in c:\temp\log file
  
  .Requirement
    - Powercli 6.5 

  .Where can we use
    - If customer asks to change the network adapter for many VM's

  .Date
  02/20/2018
#>

Get-Module -listavailable *vm*|Import-Module

$cred=Get-Credential
# Enter the cluser name
$cl = "cluster-25"
Connect-VIServer vcenter01 -Credential $cred -ErrorAction Stop

$newadapter = "network02"

$servers = Get-Content c:\temp\servers.txt

foreach($server in $servers)
{

    $clu = (get-vm $server | Get-Cluster).name

    if($clu -eq $cl)
    {
      $currentnetwork = (Get-cluster $clu|Get-vmhost|get-vm $server|Get-NetworkAdapter).Networkname

      Write-Output " $server - Current Network - $currentnetwork"

      Get-cluster $clu|Get-vmhost|get-vm $server|Get-NetworkAdapter|Set-NetworkAdapter -NetworkName $newadapter -Confirm:$false

      $newadp= (Get-cluster $clu|Get-vmhost|get-vm $server|Get-NetworkAdapter).Networkname

      Write-Output "$server - Changed adapter - $newadp"

      Write-Output "--------------------------------------------------------------------------------------------------------------"
    }

    else

    {
     Write-Output "$server is not in $clu"
    }

}