set-cbt.ps1

# Enable CBT on virtual machines list


#Connect to vcenter
$vCenter = 'vcenter-pk-01.pkwillis.local'
$Creds = Get-Credential  'domain\userid' -Message 'Provide userid\password with permissions on VCenter'

if ($global:DefaultVIServers[0].name -match $vcenter){}
 else{Connect-VIServer $vcenter  -Credential $creds}

$ErrorActionPreference = "Stop";


$vms = @(
    "pkw-rams",
    "pkw-postgresql",
    "pkw-mssqlserver",
    "pkw-etrackerfiles",
    "pkw-quantum2",
    "web1",
    "pkw-quantum3"
)


foreach ($vm in $vms) {

    try {$vm_view = Get-VM $vm | Get-View}
    catch {
      write-host "Error getting $vm info"
    }
    if ($vm_view){
      $changetracking = $vm_view.Config.ChangeTrackingEnabled
      if ($changetracking -match "false"){
        write-host ('Enabled change tracking on $VM Change Tracking: {0}' -f $vm_view.Config.ChangeTrackingEnabled )
        $vm_config_spec = New-Object VMware.Vim.VirtualMachineConfigSpec
        $vm_config_spec.changeTrackingEnabled = $true
        $vm_view.reconfigVM($vm_config_spec)
        $snap = New-Snapshot (Get-VM $vm) -Name "Enable CBT"
        $snap | Remove-Snapshot -confirm:$false
        $changetracking = $vm_view.Config.ChangeTrackingEnabled
        write-host ('Enabled change tracking on $VM Change Tracking: {0}' -f $vm_view.Config.ChangeTrackingEnabled )
        }
      else {write-host "Change tracking already enabled on $VM"}
    }
    else {write-host "Skipping $vm"}
                
}