change task priority in task scheduler #windows #powershell

1_show.ps1

Get-ScheduledTask -TaskPath '\' | ForEach-Object {
  $xml = [xml](Export-ScheduledTask -TaskName $_.TaskName -TaskPath $_.TaskPath -ErrorAction SilentlyContinue)
  $node = $xml.SelectSingleNode("/*[local-name()='Task']/*[local-name()='Settings']/*[local-name()='Priority']")
  $p = 7
  if ($node -and $node.InnerText) { $p = [int]$node.InnerText }
  [pscustomobject]@{
    Task     = "$($_.TaskPath)$($_.TaskName)".TrimStart('\')
    Priority = $p
  }
} | Format-Table -Auto

2_set.ps1

$tasks = @("Task1", "Task2", "Task3")
$priority = 4

$tasks | ForEach-Object {
    $taskName = $_
    try {
        $currentTask = Get-ScheduledTask -TaskName $taskName -ErrorAction Stop
        $settings = $currentTask.Settings
        $settings.Priority = $priority
        Set-ScheduledTask -TaskName $taskName -TaskPath $currentTask.TaskPath -Settings $settings
        Write-Host "[OK] $taskName - Set priority to $priority." -ForegroundColor Green
    } catch {
        Write-Host "[ERROR] $taskName - Not found." -ForegroundColor Red
    }
}

3_auth.ps1

 Set-ScheduledTask ... -User "FOO\bar" -Password "..."