AKN689148

Monitor_AKN689148 (UnitMonitor)

Printer redirection cannot be applied to client computers that connect to a Windows Server 2008 R2 SP1-based Terminal Services server

Knowledge Base article:

Element properties:

Source Code:

<UnitMonitor ID="Monitor_AKN689148" Comment="SupportTopic=TBD;VersionNumber=1.0.0.0;" Accessibility="Public" Enabled="true" Target="MicrosoftKnowledgeServicesWindowsLibrary!Microsoft.KnowledgeServices.Windows.OperatingSystem" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="KnowledgeServicesLibrary!Microsoft.KnowledgeServices.Library.PowerShellMonitorEx" ConfirmDelivery="true">

  <Category>Alert</Category>

  <AlertSettings AlertMessage="MonitorMessagec84585340b1b4a7aa4f81e19bbd3a403">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Success" MonitorTypeStateID="Success" HealthState="Success"/>

    <OperationalState ID="Error" MonitorTypeStateID="Error" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <ScriptName>AKN689148.ps1</ScriptName>

    <Parameters>

      <Parameter>

        <Name>StrOSVersion</Name>

        <Value>$Target/Property[Type="Windows!Microsoft.Windows.OperatingSystem"]/OSVersion$</Value>

      </Parameter>

    </Parameters>

    <ScriptBody><Script>





param($StrOSVersion)



$ErrorActionPreference = "Stop"



# Set up the arguments

$scriptargs = new-object psobject

$scriptargs | add-member NoteProperty "StrOSVersion" $StrOSVersion



# Set up the output

$global:scriptoutput = new-object psobject

$scriptoutput | add-member NoteProperty "HasIssue" $false

# Environment

$scriptenv = New-Object psobject

$scriptenv | Add-Member NoteProperty "RuntimeError" $false

$scriptenv | Add-Member NoteProperty "IsFileVersionLowerThanRequired" $false

$scriptenv | Add-Member NoteProperty "IsEasyPrintPrinterRedirectionEnabled" $false

$scriptenv | Add-Member NoteProperty "IsTerminalServicesRoleEnabled" $false

$scriptenv | Add-Member ScriptProperty "IsWindowsServer2008R2Sp1Env" {([version]$scriptargs.StrOSVersion).Major -eq 6 -and ([version]$scriptargs.StrOSVersion).Minor -eq 1 -and ([version]$scriptargs.StrOSVersion).Build -eq 7601}



# Terminal services role is enabled

function Check-IsTerminalServicesRoleEnabled

{

	#Role IDs described at http://msdn.microsoft.com/en-us/library/cc280268(VS.85).aspx

	$getRDS = Get-WmiObject Win32_ServerFeature -Filter "ID=18"



	if($getRDS -ne $null)

	{		

		$scriptenv.IsTerminalServicesRoleEnabled = $true

	}

}



# Easy Print printer driver for printer redirection is enabled.

# http://blogs.msdn.com/b/rds/archive/2009/09/28/using-remote-desktop-easy-print-in-windows-7-and-windows-server-2008-r2.aspx

function Check-IsEasyPrintPrinterRedirectionEnabled

{

	$registryPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services"

	

	if (Test-Path -Path $registryPath)

	{

		if ((Get-ItemProperty -Path $registryPath -ErrorAction SilentlyContinue).UseUniversalPrinterDriverFirst -ne "4")

		{

			$scriptenv.IsEasyPrintPrinterRedirectionEnabled = $true;

		}

	}

}



# http://blogs.technet.com/b/perfguru/archive/2008/06/25/terminal-server-easy-print.aspx

function Check-IsFileVersionLowerThanRequired

{

    $systemdirectory = (Get-WmiObject Win32_OperatingSystem).SystemDirectory

	

	if (Test-Path $systemdirectory\spool\drivers)

    {

		$files = Get-ChildItem $systemdirectory\spool\drivers -filter "Tsprint.dll" -recurse

		if($files -ne $null)

		{

			foreach ($file in $files)

			{

				$strversioninfo = "{0}.{1}.{2}.{3}" -f $file.VersionInfo.FileMajorPart, $file.VersionInfo.FileMinorPart, $file.VersionInfo.FileBuildPart, $file.VersionInfo.FilePrivatePart

				$versioninfo = [Version]$strversioninfo;

				

				if ($versioninfo -lt [Version]"6.1.7601.21896")

				{

					$scriptenv.IsFileVersionLowerThanRequired = $true;

					break;

				}

			}

		}

	}

}



function AdvisorRule($scriptargs, $scriptoutput)

{

    trap [Exception] {

        $scriptenv.RuntimeError = $true

        continue; 

    }



    # Initialize parameters

    $scriptoutput.HasIssue = $false



    # Detection Logic

	if($scriptenv.IsWindowsServer2008R2Sp1Env)

	{

		Check-IsTerminalServicesRoleEnabled

		if($scriptenv.IsTerminalServicesRoleEnabled)

		{

			Check-IsEasyPrintPrinterRedirectionEnabled

			if($scriptenv.IsEasyPrintPrinterRedirectionEnabled)

			{

				Check-IsFileVersionLowerThanRequired

				if($scriptenv.IsFileVersionLowerThanRequired)

				{

					if ($scriptenv.RuntimeError -eq $false)

					{

						$scriptoutput.HasIssue = $true

					}

				}

			}

		}

	}

}

AdvisorRule $scriptargs $scriptoutput



# set the output

$mom = new-object -comobject "MOM.ScriptAPI"

$bag = $mom.CreatePropertyBag()



if ($scriptoutput.HasIssue -ne $null)

{

	$bag.AddValue("HasIssue", $scriptoutput.HasIssue)

}



$bag



</Script></ScriptBody>

    <SnapIns/>

    <TimeoutSeconds>300</TimeoutSeconds>

    <Schedule>86393</Schedule>

    <ErrorExpression>

      <SimpleExpression>

        <ValueExpression>

          <XPathQuery Type="Boolean">Property[@Name='HasIssue']</XPathQuery>

        </ValueExpression>

        <Operator>Equal</Operator>

        <ValueExpression>

          <Value Type="Boolean">true</Value>

        </ValueExpression>

      </SimpleExpression>

    </ErrorExpression>

    <SuccessExpression>

      <Not>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="Boolean">Property[@Name='HasIssue']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="Boolean">true</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </Not>

    </SuccessExpression>

  </Configuration>

</UnitMonitor>