get azure vm creation date

Get-AzureVMCreationTime.ps1

## We can use the OS disk of the VM to see the VM's creation date since it's always created at the same time

# Connect to Azure account (if not already connected)
Connect-AzAccount

# Get all VMs in the subscription
$vms = Get-AzVM

# Array to store results
$results = @()

foreach ($vm in $vms) {
    # Get the OS disk
    $disk = Get-AzDisk -ResourceGroupName $vm.ResourceGroupName -DiskName $vm.StorageProfile.OsDisk.Name
    
    # Create result object
    $result = [PSCustomObject]@{
        VMName = $vm.Name
        ResourceGroup = $vm.ResourceGroupName
        CreationTime = $disk.TimeCreated
    }
    
    # Add to results array
    $results += $result
}

# Display results
$results | Format-Table -AutoSize