PowerShell automation script to install Wsus Server

Configure, and manage a WSUS server, including:

• Installing the WSUS role
• Setting content storage
• Running post-install tasks
• Configuring sync settings
• Setting update categories/classifications
• Enabling automatic synchronization
• Running cleanup tasks

🚀 WSUS PowerShell Automation Script

powershell# ================================
# WSUS Automated Setup Script
# ================================

# VARIABLES
$wsusContentPath = "D:\WSUS"
$wsusSQLInstance = "WID"  # or use "SERVERNAME\INSTANCE" for full SQL
$wsusPort = 8530
$productsToSync = @(
    "Windows 10",
    "Windows Server 2019"
)
$classificationsToSync = @(
    "Security Updates",
    "Critical Updates"
)

# -------------------------------
# 1. Install WSUS Role & Features
# -------------------------------
Install-WindowsFeature -Name UpdateServices, UpdateServices-WidDB, UpdateServices-Services -IncludeManagementTools

# -------------------------------
# 2. Run Post-Install Configuration
# -------------------------------
& "C:\Program Files\Update Services\Tools\wsusutil.exe" postinstall CONTENT_DIR=$wsusContentPath

# -------------------------------
# 3. Import WSUS Module
# -------------------------------
Import-Module -Name UpdateServices

# -------------------------------
# 4. Connect to WSUS Server
# -------------------------------
$wsus = Get-WsusServer -Name $env:COMPUTERNAME -PortNumber $wsusPort

# -------------------------------
# 5. Configure Products to Sync
# -------------------------------
$wsus.GetSubscription().GetUpdateCategories() | ForEach-Object {
    if ($productsToSync -contains $_.Title) {
        $_.Children | ForEach-Object { $_.Enabled = $true }
        $_.Enabled = $true
    }
}

# -------------------------------
# 6. Configure Classifications to Sync
# -------------------------------
$wsus.GetSubscription().GetUpdateClassifications() | ForEach-Object {
    if ($classificationsToSync -contains $_.Title) {
        $_.Enabled = $true
    }
}

# -------------------------------
# 7. Configure Sync Schedule
# -------------------------------
$subscription = $wsus.GetSubscription()
$subscription.SynchronizeAutomatically = $true
$subscription.SynchronizeAutomaticallyTimeOfDay = [datetime]::Now.TimeOfDay
$subscription.Save()

# -------------------------------
# 8. Start Initial Sync
# -------------------------------
$wsus.GetSubscription().StartSynchronization()

# -------------------------------
# 9. Run WSUS Cleanup Tasks
# -------------------------------
$cleanupManager = $wsus.GetCleanupManager()
$cleanupManager.PerformCleanup(
    $true,  # ObsoleteUpdates
    $true,  # UnneededContentFiles
    $true,  # ExpiredUpdates
    $true,  # SupersededUpdates
    $true   # Computers not contacting server
)

Write-Host "WSUS Setup & Initial Configuration Complete!" -ForegroundColor Green