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Worklet: Predictable Reboot Notifications for Windows

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34 replies

Maikel
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  • Maikel
  • Channel Partner
  • 65 replies
  • August 15, 2020

Would you be willing to share this with us?

Living with vulnerabilities is a choice, not a necessity!
J
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  • jesumyip
  • Power User
  • 52 replies
  • August 17, 2020

Here you go. Feel freer to reach out if you need help

.RebootNotifications.pdf (133.8 KB)

Maikel
JasonG-Automox
2 people like this
  • Maikel
    Maikel
  • JasonG-Automox
    JasonG-Automox
Maikel
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  • Maikel
  • Channel Partner
  • 65 replies
  • August 17, 2020

impressive script, kudo’s! Just curious why base encode an image and not use another file attached to the worklet?

Living with vulnerabilities is a choice, not a necessity!
JasonG-Automox
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  • JasonG-Automox
    JasonG-Automox
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  • jesumyip
  • Power User
  • 52 replies
  • August 17, 2020

Just an old habit. 🙂 You can definitely use the method you mentioned - that’s probably easier 🙂

Maikel
JasonG-Automox
Nic-Automox
3 people like this
  • Maikel
    Maikel
  • JasonG-Automox
    JasonG-Automox
  • Nic-Automox
    Nic-Automox
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  • jesumyip
  • Power User
  • 52 replies
  • October 7, 2020

Hi everyone. I recently made a change to this worklet. It now installs 2 scheduled tasks.

Here is the new reboot powershell script:

Add-Type @'
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;

namespace PInvoke.Win32 {

    public static class UserInput {

        [DllImport("user32.dll", SetLastError=false)]
        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);

        [StructLayout(LayoutKind.Sequential)]
        private struct LASTINPUTINFO {
            public uint cbSize;
            public int dwTime;
        }

        public static DateTime LastInput {
            get {
                DateTime bootTime = DateTime.UtcNow.AddMilliseconds(-Environment.TickCount);
                DateTime lastInput = bootTime.AddMilliseconds(LastInputTicks);
                return lastInput;
            }
        }

        public static TimeSpan IdleTime {
            get {
                return DateTime.UtcNow.Subtract(LastInput);
            }
        }

        public static int LastInputTicks {
            get {
                LASTINPUTINFO lii = new LASTINPUTINFO();
                lii.cbSize = (uint)Marshal.SizeOf(typeof(LASTINPUTINFO));
                GetLastInputInfo(ref lii);
                return lii.dwTime;
            }
        }
    }
}
'@

Function IsAutomaticReboot
{
    <# 
    
    Two conditions must be met for automatic reboot
    1. The local time must be between $rebootStartTime and $rebootEndTime
    2. There has not been any user input for at least $idleTime minutes

    #>

    $boolTimeConditionMet = $False
    $minTime = Get-Date $rebootStartTime
    $maxTime = Get-Date $rebootEndTime
    $now = Get-Date
    if ($minTime.TimeOfDay -le $now.TimeOfDay -and $maxTime.TimeOfDay -ge $now.TimeOfDay) 
    {
        $boolTimeConditionMet = $True
    }

    $boolIdleConditionMet = $False
    $idleTime = [PInvoke.Win32.UserInput]::IdleTime
    if ($idleTime.Minutes -ge $minIdleTime)
    {
        $boolIdleConditionMet = $True
    }

    return ($boolIdleConditionMet -and $boolTimeConditionMet)
}

Function RebootComputer
{
    Restart-Computer -Force
}

#---------------------------------------------------------------------------------------
# These parameters control the time of day window within which automatic reboot will be initiated
[string]$rebootStartTime = "1am"
[string]$rebootEndTime = "5am"

# If there is no user input detected for $minIdleTime minutes within $rebootStarTime and $rebootEndTime, automatic reboot
# will be initiated
[int]$minIdleTime = 30

# Check if a reboot is pending
$sysInfo = New-Object -ComObject "Microsoft.Update.SystemInfo"
if($sysInfo.RebootRequired)
{
  if (IsAutomaticReboot)
  {
    RebootComputer
  }
}

This scheduled job needs to be installed with certain properties for it to work. And here is the powershell script to do this:

$action = New-ScheduledTaskAction -Execute wscript.exe -Argument "//B C:\ProgramData\amagent\rebootNotification\Hidden.vbs C:\ProgramData\amagent\rebootNotification\RunToastHidden.cmd" 
$trigger = New-ScheduledTaskTrigger -Daily -At 9am
$principal = New-ScheduledTaskPrincipal -UserID "NT AUTHORITY\SYSTEM" -LogonType ServiceAccount -RunLevel Highest
$settings = New-ScheduledTaskSettingsSet -MultipleInstances Parallel
$task = Register-ScheduledTask -TaskName "Reboot No Reminder" -Trigger $trigger -Action $action -User "NT AUTHORITY\SYSTEM"
$task.Triggers.Repetition.Interval = "PT1H"
$task.Triggers.Repetition.Duration = "P1D"
$task.Settings.StartWhenAvailable = $True
$task | Set-ScheduledTask -ErrorAction SilentlyContinue
Nic-Automox
1 person likes this
  • Nic-Automox
    Nic-Automox
J
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  • jesumyip
  • Power User
  • 52 replies
  • October 7, 2020

The reason for the change is this: the previous script would not reboot the computer between 1am and 5am if there is no user logged on.

Nic-Automox
1 person likes this
  • Nic-Automox
    Nic-Automox
I

would it be possible to share this in a non-PDF output?

G

Maybe implement it directly in Automox ?

N
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  • N
    Nvlddmkm
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  • Nvlddmkm
  • Rookie
  • 3 replies
  • November 15, 2023

I think it would be helpful to include all dependencies, like this will require Toast notifications to be enabled or the user will never see these alerts (which is kinda a big deal).  You’d want to build some checks at the head of the script like the following, to a) check if notifications are enabled, and b) enable them.

function Test-WindowsPushNotificationsEnabled() {
    $ToastEnabledKey = (Get-ItemProperty "HKCU:\Software\Microsoft\Windows\CurrentVersion\PushNotifications" -Name ToastEnabled -ErrorAction Ignore).ToastEnabled
    if ($ToastEnabledKey -eq "1") {
        Write-Host "Toast notifications for the logged on user are enabled in Windows"
        $true
    }
    elseif ($ToastEnabledKey -eq "0") {
        Write-Host "Toast notifications for the logged on user are not enabled in Windows. The script will try to enable toast notifications for the logged on user"
        $false
    }
}

# Create Enable-WindowsPushNotifications
# This is used to re-enable toast notifications if the user disabled them generally in Windows
function Enable-WindowsPushNotifications() {
    $ToastEnabledKeyPath = "HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\PushNotifications"
    Write-Host "Trying to enable toast notifications for the logged on user"
    try {
        Set-ItemProperty -Path $ToastEnabledKeyPath -Name ToastEnabled -Value 1 -Force
        Get-Service -Name WpnUserService** | Restart-Service -Force
        Write-Host "Successfully enabled toast notifications for the logged on user"
    }
    catch {
        Write-Host "Failed to enable toast notifications for the logged on user. Toast notifications will probably not be displayed"
    }
}

 

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