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Cozumpark Bilisim Portali
Getting Microsoft Updates via PowerShell
Posted in Windows Powershell, Windows Server | 1 Comment | 2,162 views | 20/06/2014 22:51

You may want to check available Microsoft Updates on remote servers. This script will give you that info.

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Function Get-MicrosoftUpdate {
 
<#
    .SYNOPSIS
 
        Function to get available Microsoft Updates on Windows Servers.
 
    .DESCRIPTION
 
        If you have large number of Windows Servers, Microsoft Updates may not be an easy job.
		This script could get available Microsoft Updates from remote servers by using PowerShell.
 
    .PARAMETER  WhatIf
 
        Display what would happen if you would run the function with given parameters.
 
    .PARAMETER  Confirm
 
        Prompts for confirmation for each operation. Allow user to specify Yes/No to all option to stop prompting.
 
    .EXAMPLE
 
        Get-MicrosoftUpdate
 
    .EXAMPLE
 
        Get-MicrosoftUpdate -ComputerName Server01
 
    .EXAMPLE
 
        Get-MicrosoftUpdate -ComputerName Server01 -SuppressMode		
 
    .INPUTS
 
        None
 
    .OUTPUTS
 
        None
 
    .NOTES
 
        Author: Yusuf Ozturk
        Website: http://www.yusufozturk.info
        Email: ysfozy@gmail.com
        Date created: 19-June-2014
        Last modified: 22-June-2014
        Version: 1.2
 
    .LINK
 
        http://www.yusufozturk.info
        http://twitter.com/yusufozturk
 
#>
 
	[CmdletBinding(SupportsShouldProcess = $true)]
	param (
 
		# ComputerName
		[Parameter(
			Mandatory = $false,
			HelpMessage = 'Computer Name')]
		$ComputerName = "localhost",
 
		# Suppress Mode
		[Parameter(
			Mandatory = $false,
			HelpMessage = 'Suppress Mode')]
		[switch]$SuppressMode = $false,
 
		# Debug Mode
		[Parameter(
			Mandatory = $false,
			HelpMessage = 'Debug Mode')]
		[switch]$DebugMode = $false
	)
 
	# Enable Debug Mode
	if ($DebugMode)
	{
		# Set Error Action Preference
		$ErrorActionPreference = "Stop"
 
		# Set Debug Preference
		$DebugPreference = "Continue"
	}
	else
	{
		# Set Error Action Preference
		$ErrorActionPreference = "silentlycontinue"
	}
 
	if ($ComputerName -ne "localhost")
	{
		if (!$SuppressMode)
		{
			# Informational Output
			Write-Host "Getting Microsoft Update information from $ComputerName.." -ForegroundColor Cyan
			Write-Host "Please wait.." -ForegroundColor Gray
			Write-Host " "
		}
 
		# Invoke Script on Remote Computer
		$InvokeCommand = Invoke-Command -ComputerName $ComputerName -ArgumentList $SuppressMode, $DebugMode -ScriptBlock {
 
			# Define Parameters
			param ($SuppressMode, $DebugMode)
 
			# Create Microsoft Update Session
			$UpdateSession = New-Object -ComObject "Microsoft.Update.Session"
 
			# Search Microsoft Updates
			$UpdateSearcher = $UpdateSession.CreateUpdateSearcher()
			$SearchResult = $UpdateSearcher.Search("IsInstalled=0 and IsHidden=0")
 
			# Create Microsoft Update Install Queue
			$InstallQueue = New-Object -ComObject "Microsoft.Update.UpdateColl"
 
			for ($i = 0; $i -lt $SearchResult.Updates.Count; $i++)
			{
				# Get Current Microsoft Update
				$Update = $SearchResult.Updates.Item($i)
 
				# Get Microsoft Update Description
				$UpdateDescription = $Update.Title
 
				# Microsoft Update KB Pattern
				$KBPattern = "KB\d{1,20}"
 
				# Search for Microsoft Update KB
				$RegexSearch = $UpdateDescription -match $KBPattern
 
				# Get Microsoft Update KB
				$UpdateKB = $Null;
				$UpdateKB = $Matches[0]
 
				if (!$SuppressMode)
				{
					# Informational Output
					Write-Host "-------------------------------------------------"
					Write-Host " "
					Write-Host "$UpdateKB is available to install.." -ForegroundColor Cyan
					Write-Host "Description: $UpdateDescription" -ForegroundColor Gray
					Write-Host " "
				}
 
				# Add to Install Queue
				$InstallQueue.Add($Update) | Out-Null
 
				# Reboot Behaviour
				if ($Update.InstallationBehavior.RebootBehavior -gt 0) 
				{ 
					# Set Reboot Status
					$RebootRequired = $True
 
					if (!$SuppressMode)
					{
						# Informational Output
						Write-Host "Warning: $UpdateKB requires reboot." -ForegroundColor Yellow
						Write-Host " "
						Write-Host " "
					}
				}
				else
				{
					if (!$SuppressMode)
					{
						# Informational Output
						Write-Host "$UpdateKB doesn't require reboot." -ForegroundColor Green
						Write-Host " "
						Write-Host " "
					}
				}
			}
 
			if ($InstallQueue.Count -eq 0)
			{
				if (!$SuppressMode)
				{
					# Informational Output
					Write-Host "Warning: There are no Microsoft Updates available" -ForegroundColor Yellow
				}
 
				# Update Status
				$UpdateStatus = "False"
			}
			else
			{
				if (!$SuppressMode)
				{
					# Informational Output
					Write-Host "Available Microsoft Updates: $i" -ForegroundColor Green
				}
 
				# Update Status
				$UpdateStatus = "True"
			}
 
			# Output Update Status
			$UpdateStatus
		}
 
		if ($SuppressMode)
		{
			# Output Invoke Command Results
			$InvokeCommand
		}
	}
	else
	{
		# Create Microsoft Update Session
		$UpdateSession = New-Object -ComObject "Microsoft.Update.Session"
 
		# Search Microsoft Updates
		$UpdateSearcher = $UpdateSession.CreateUpdateSearcher()
		$SearchResult = $UpdateSearcher.Search("IsInstalled=0 and IsHidden=0")
 
		# Create Microsoft Update Install Queue
		$InstallQueue = New-Object -ComObject "Microsoft.Update.UpdateColl"
 
		for ($i = 0; $i -lt $SearchResult.Updates.Count; $i++)
		{
			# Get Current Microsoft Update
			$Update = $SearchResult.Updates.Item($i)
 
			# Get Microsoft Update Description
			$UpdateDescription = $Update.Title
 
			# Microsoft Update KB Pattern
			$KBPattern = "KB\d{1,20}"
 
			# Search for Microsoft Update KB
			$RegexSearch = $UpdateDescription -match $KBPattern
 
			# Get Microsoft Update KB
			$UpdateKB = $Null;
			$UpdateKB = $Matches[0]
 
			if (!$SuppressMode)
			{
				# Informational Output
				Write-Host "-------------------------------------------------"
				Write-Host " "
				Write-Host "$UpdateKB is available to install.." -ForegroundColor Cyan
				Write-Host "Description: $UpdateDescription" -ForegroundColor Gray
				Write-Host " "
			}
 
			# Add to Install Queue
			$InstallQueue.Add($Update) | Out-Null
 
			# Reboot Behaviour
			if ($Update.InstallationBehavior.RebootBehavior -gt 0) 
			{ 
				# Set Reboot Status
				$RebootRequired = $True
 
				if (!$SuppressMode)
				{
					# Informational Output
					Write-Host "Warning: $UpdateKB requires reboot." -ForegroundColor Yellow
					Write-Host " "
					Write-Host " "
				}
			}
			else
			{
				if (!$SuppressMode)
				{
					# Informational Output
					Write-Host "$UpdateKB doesn't require reboot." -ForegroundColor Green
					Write-Host " "
					Write-Host " "
				}
			}
		}
 
		if ($InstallQueue.Count -eq 0) 
		{
			if (!$SuppressMode)
			{
				# Informational Output
				Write-Host "Warning: There are no Microsoft Updates available" -ForegroundColor Yellow
			}
 
			# Update Status
			$UpdateStatus = "False"
		}
		else
		{
			if (!$SuppressMode)
			{
				# Informational Output
				Write-Host "Available Microsoft Updates: $i" -ForegroundColor Green
			}
 
			# Update Status
			$UpdateStatus = "True"
		}
 
		if ($SuppressMode)
		{
			# Output Update Status
			$UpdateStatus
		}
	}
}

So if you just type:

Get-MicrosoftUpdate

that will get Microsoft Updates on your local server.
If you want to get Microsoft Updates from remote server, then type like:

Get-MicrosoftUpdate -ComputerName "MyHyperVHost01"

That will give you Reboot requirements as well.


Comments (1)

Flip

July 19th, 2016
11:17:47

That’s a clever answer to a tricky quetison



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