Windows Create Restore Point Script

<#
This resource is provided as a convenience for Level users. We cannot 
guarantee it will work in all environments. Please test before deploying 
to your production environment. We welcome contributions to our community 
library

Level Library
https://level.io/library/script-windows-create-restore-point
#>

# Define the restore point name
$restorePointName = "{{RestorePointName}} - " + (Get-Date -Format "yyyy-MM-dd HH:mm:ss")

# Function to check and enable System Restore
function Enable-SystemRestore {
    $restoreEnabled = Get-ComputerRestorePoint -ErrorAction SilentlyContinue
    if (-not $restoreEnabled) {
        Write-Host "Enabling System Restore on C: drive..."
        Enable-ComputerRestore -Drive "C:\"
    }
}

# Function to check and start Volume Shadow Copy Service (VSS)
function Start-VSSService {
    $vssService = Get-Service -Name "VSS" -ErrorAction SilentlyContinue
    if ($vssService -and $vssService.Status -ne "Running") {
        Write-Host "Starting Volume Shadow Copy Service..."
        Start-Service -Name "VSS"
    }
}

# Function to modify restore point frequency limit
function Modify-RestoreFrequency {
    $restoreFreqPath = "HKLM:\Software\Microsoft\Windows NT\CurrentVersion\SystemRestore"
    $restoreFreqKey = "SystemRestorePointCreationFrequency"
    
    $currentValue = (Get-ItemProperty -Path $restoreFreqPath -Name $restoreFreqKey -ErrorAction SilentlyContinue).$restoreFreqKey
    if ($currentValue -ne 0) {
        Write-Host "Adjusting restore point frequency limit..."
        Set-ItemProperty -Path $restoreFreqPath -Name $restoreFreqKey -Value 0
    }
}

# Run the checks and adjustments
Enable-SystemRestore
Start-VSSService
Modify-RestoreFrequency

# Attempt to create the restore point
try {
    Checkpoint-Computer -Description $restorePointName -RestorePointType 'MODIFY_SETTINGS' -ErrorAction Stop
    Write-Host "System Restore Point created successfully with name: $restorePointName"
    exit 0
}
catch {
    Write-Host "ERROR: Failed to create System Restore Point. Details: $_"
    exit 1
}