Update-SystemPatches

Synopsis

Automates system patch management including download, testing, and installation.

Description

This script provides comprehensive patch management capabilities for Windows systems including automatic patch detection, download, testing in staged environments, and controlled installation. It includes rollback capabilities, maintenance window scheduling, and detailed reporting for enterprise patch management operations.

Syntax

.\Update-SystemPatches.ps1 [[-UpdateType] <String>] [[-MaintenanceWindow] <DateTime>] [-TestFirst] [-AutoReboot] [-DownloadOnly] [-GenerateReport] [<CommonParameters>]

Parameters

-UpdateType

Type of updates to install (Critical, Important, Optional, All).

-MaintenanceWindow

Scheduled maintenance window for patch installation.

-TestFirst

Install patches in test environment before production.

-AutoReboot

Automatically reboot system after patch installation if required.

-DownloadOnly

Download patches without installing them.

-GenerateReport

Create detailed patch installation report.

Examples

Example 1: Critical patches with automatic reboot

PS C:\> .\Update-SystemPatches.ps1 -UpdateType "Critical" -AutoReboot -GenerateReport

Example 2: Download patches for scheduled maintenance

PS C:\> .\Update-SystemPatches.ps1 -UpdateType "All" -DownloadOnly -MaintenanceWindow "2025-07-05 02:00:00"

Notes

  • Author: Enterprise Automation Team
  • Requires: PSAdminCore module, Windows Update service, administrator privileges
  • Caution: Always test patches in non-production environment first
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