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Reboot Pending Check Automation

Summary​

This task is designed to automatically detect the reboot pending status on endpoints and check the custom field Auto_RebootPendingCheck so that the agent gets added to the dynamic group Reboot Prompter Deployment - Auto.

Dependencies​

Sample Run​

Sample Run 1

Sample Run 2

Implementation​

Create Task​

  1. Go to Automation > Tasks

  2. On the left side of the screen, look for the Add dropdown > Select Script Editor option to create the task.

    • Name: Reboot Pending Check Automation
    • Description: This script imports the module 'PendingReboot' to detect the pending status on the endpoints. Based on the output, it sets the custom field 'Auto_RebootPendingCheck'.
    • Category: Custom

Task Details

Script​

Start by creating three separate rows. You can do this by clicking the Add Row button at the bottom of the script page.

Add Rows

Row 1: Function: PowerShell Script​

Row 1 PowerShell

Row 1 PowerShell Continued

Paste in the following PowerShell script and set the expected time of script execution to 900 seconds.

#requires -version 5.1

#region Globals
$ProgressPreference = 'SilentlyContinue'
$ConfirmPreference = 'None'
$InformationPreference = 'Continue'
$WarningPreference = 'SilentlyContinue'
#endRegion

#region Set TLS Policy
$supportedTLSversions = [enum]::GetValues('Net.SecurityProtocolType')
if (($supportedTLSversions -contains 'Tls13') -and ($supportedTLSversions -contains 'Tls12')) {
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol::Tls13 -bor [System.Net.SecurityProtocolType]::Tls12
} elseif ($supportedTLSversions -contains 'Tls12') {
    [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12
} else {
    Write-Information '[Warn] TLS 1.2 and/or TLS 1.3 are not supported on this system. This download may fail!'
    if ($PSVersionTable.PSVersion.Major -lt 3) {
        Write-Information '[Warn] PowerShell 2 / .NET 2.0 doesn''t support TLS 1.2.'
    }
}
#endRegion

#region PendingReboot Module
if (-not (Get-Module -Name 'PendingReboot' -ListAvailable)) {
    Get-PackageProvider -Name 'NuGet' -ForceBootstrap -ErrorAction SilentlyContinue | Out-Null
    Set-PSRepository -Name 'PSGallery' -InstallationPolicy Trusted -ErrorAction SilentlyContinue | Out-Null
    
    try {
        Update-Module -Name 'PendingReboot' -ErrorAction Stop
    } catch {
        Install-Module -Name 'PendingReboot' -Repository 'PSGallery' -SkipPublisherCheck -Force
        Get-Module -Name 'PendingReboot' -ListAvailable | Where-Object { $_.Version -ne (Get-InstalledModule -Name 'PendingReboot').Version } | ForEach-Object { Uninstall-Module -Name 'PendingReboot' -MaximumVersion $_.Version }
    }
}
(Import-Module -Name 'PendingReboot') 3>&1 2>&1 1>$null
#endRegion

#region Check for Pending Reboot
try {
    $pendingReboot = (Test-PendingReboot -SkipConfigurationManagerClientCheck).IsRebootPending
    if ($pendingReboot) {
        return 'IsRebootPending'
    } else {
        return 'IsNotRebootPending'
    }
} catch {
    throw ('An error occurred when checking for pending reboot: {0}' -f $($Error[0].Exception.Message))
}
#endRegion

Row 2: Function: Script Log​

Row 2 Log

In the script log message, simply type %output% so that the script will send the results of the PowerShell script above to the output on the Automation tab for the target device.

Row 2 Log Continued

Row 3 : Logic: If/Then/Else​

Row 3 Logic

Row 3 Logic Continued

Row 3a: Condition: Output Contains​

In the IF part, enter IsRebootPending in the right box of the Output Contains part.

Row 4a Condition

Row 3b: Function: Set Custom Field​

  • Add a new row by clicking on the Add row button.

  • Select Function Set Custom Field, it will open up a new window.

  • In this window, search for the Auto_RebootPendingCheck field.

    • Custom Field: Auto_RebootPendingCheck
    • Value: True

Row 3a.2 Set Custom Field

Row 3c: Function: Set Custom Field​

  • Add a new row by clicking on the Add row button in the Else section.

  • Select Function Set Custom Field, it will open up a new window.

  • In this window, search for the Auto_RebootPendingCheck field.

    • Custom Field: Auto_RebootPendingCheck
    • Value: False

Row 3b.1 Set Custom Field

Complete Script​

Row 5 Complete

Deployment​

It is suggested to run the Task every 2 hours against the group Dynamic Group - Automatic Reboot Pending Check.

  • Go to Automation > Tasks.
  • Search for Reboot Pending Check Automation Task.
  • Select the concerned task.
  • Click on the Schedule button to schedule the task/script.

Schedule Task

This screen will appear.

Schedule Task Continue

Select the relevant time to run the script and click the Do not repeat button.

Schedule Task Time

A pop-up box will appear.

Change the number of hours to 2 and click OK.

Change Hours

Select the target to schedule the 'Force Reboot Server With Reboot Windows Verification'.

Select Target

Now click the Run button once all customization is set to initiate the task.

Run Task

The task will start appearing in the Scheduled Tasks.

Output​

  • Task log