VMware – PowerCLI enable Change Block Tracking

Check CBT status for all VMs:

Get-VM | select Name, @{N="CBT";E={(Get-View $_).Config.ChangeTrackingEnabled}}

To enable CBT

Write-Host "This script enables CBT for a VM"
$vm = read-host "Specify VM name"
Get-VM $vm | select Name, @{N="CBT";E={(Get-View $_).Config.ChangeTrackingEnabled}}
write-host "Proceed ?"
pause
$vmView = Get-vm $vm | get-view
$vmConfigSpec = New-Object VMware.Vim.VirtualMachineConfigSpec
$vmConfigSpec.changeTrackingEnabled = $true
$vmView.reconfigVM($vmConfigSpec)

Get-VM $vm | select Name, @{N="CBT";E={(Get-View $_).Config.ChangeTrackingEnabled}}
Write-host "Done.

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