Send email alert if Reboot or shutdown a Server with Powershell

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Présentation


This script allows to send a status mail when a server restarts or stops. All actions are logged to C:\Logs.

Github Link : 

Exécution command line for reboot status : 
  • powershell.exe -executionpolicy ByPass -file .\ScriptName.ps1 -Option Reboot
Exécution command line for shutdown status : 
  • powershell.exe -executionpolicy ByPass -file .\ScriptName.ps1 -Option Shutdown

#Script Parameters
Param(
[Parameter(Mandatory=$true)]
[ValidateSet("Reboot", "Shutdown")]
[String[]]
$Option
)

#Function create Log folder
    Function CreateLogsFolder
{
    If(!(Test-Path C:\Logs))
    {
    New-Item -Force -Path "C:\Logs\" -ItemType Directory
 }
 else
{
    Write-Host "The folder "C:\Logs\" already exists !"
    }
}

#Create Log Folder
    CreateLogsFolder

#Declaration of script variables
    $Client = "Client Name"
    $Server = (Get-CimInstance -ClassName Win32_ComputerSystem).Name
    $Date = Get-Date
    $LogPath = "C:\Logs\StateServer.log"

# Define the email address to send notifications to
    $to = "YourEmailAdress"
    $to2 = "OtherEmailAdress"
If ($Option -eq "Reboot")
{
#Send the notification
    Write-Output "$($Date) Send alert email to $($to) and $($to2) : The server $Server has rebooted." | Tee-Object -FilePath $LogPath -Append
 Send-MailMessage -To $($to;$to2) -From "SenderEmailAdress" -SmtpServer SmtpAdress -Subject "$Client - $Server - Server Reboot" -Body "The server $Server has rebooted."
}

If  ($Option -eq "Shutdown")
{
#Send the notification
    Write-Output "$($Date) Send alert email to $($to) and $($to2) : The server $Server has been shutdown." | Tee-Object -FilePath $LogPath -Append
 Send-MailMessage -To $($to;$to2) -From "SenderEmailAdress" -SmtpServer SmtpAdress -Subject "$Client - $Server - Server Shutdown" -Body "The server $Server has been shutdown."
}


Configuration

To facilitate the deployment, it is preferable to create a GPO in the following way :
  • Open Group Policy Strategy MMC
  • Select Create New GPO
  • Go to Computer Configuration \ Strategy \ Windows Parameters \ Script (Restart / Shutdown)
  • In the Scripts Powershell Tab, add your script with this paramters : 
    • "-Option Reboot"


  • Repeat all actions for Shutdown script and replace the paramters with "-Option Shutdown"

Result

When the server restarts, an alert email will be sent to you :



For Shutdown alert


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