Critical Scopes Availability

Microsoft.Windows.DHCPServer.10.0.Tasks.GetAllCriticalScopes (Task)

Provides HTML report of all Critical Scopes and addresses availability percentage

Element properties:

Member Modules:

Source Code:

<Task ID="Microsoft.Windows.DHCPServer.10.0.Tasks.GetAllCriticalScopes" Accessibility="Internal" Target="Microsoft.Windows.DHCPServer.10.0.IPv4ScopesRuntime" Enabled="true" Timeout="300" Remotable="true">

  <Category>Custom</Category>

  <ProbeAction ID="PA" TypeID="Microsoft.Windows.DHCPServer.10.0.HtmlReportePowershellProbe" RunAs="System!System.PrivilegedMonitoringAccount">

    <ScriptName>Microsoft.Windows.Server.10.0.GetCriticalScopes.Script.ps1</ScriptName>

    <ScriptBody><Script>

                

                            param ([double] $ErrorThreshold,[string] $OutputServer,[string] $OutputFolder)

                            $SCRIPT_NAME = "Microsoft.Windows.Server.10.0.GetCriticalScopes.Script"

                            $ErrorActionPreference = "Stop"

$Error.Clear()

try

{

    if([string]::IsNullOrEmpty($OutputServer))

	{

		$OutputServer= hostname

	}

	if(!(test-connection -ComputerName $OutputServer -quiet))

    {

		Write-Warning "Verify that the computer exists on the network and that the name provided is spelled correctly."

		Exit

	}

	$IPV4Scopes = Get-DhcpServerv4ScopeStatistics

	$SourceServer = hostname

	$Html="&lt;Html&gt;&lt;Title&gt;DHCP Available Scope Addresses Report&lt;/Title&gt;&lt;Body&gt;&lt;H1&gt;DHCP Available Scope Addresses Report  for $SourceServer computer&lt;/H1&gt;"

	

	$CriticalScopesCount=0



	if($IPV4Scopes -eq $null)

	{

		$IPV4ScopesCount = 0

	}

	else

	{

		if($IPV4Scopes.Count -eq $null)

		{

			$IPV4ScopesCount = 1

		}

		else

		{

			$IPV4ScopesCount = $IPV4Scopes.Count

		}

	}

	

	

	$Html= $Html + "&lt;Table border='1'&gt;&lt;tr&gt;&lt;th&gt;S No&lt;/th&gt;&lt;th&gt;Scope ID&lt;/th&gt;&lt;th&gt;% free Scope Addresses&lt;/th&gt;&lt;/tr&gt;"



	for ($itmIPV4Scope=1; $itmIPV4Scope -le $IPV4ScopesCount; $itmIPV4Scope++)

	{

		

		if($IPV4ScopesCount -eq 1)

		{

			$ObjIPV4Scope = $IPV4Scopes

		}

		else

		{

			if($IPV4Scopes.Get($itmIPV4Scope-1) -ne $null)

			{

				$ObjIPV4Scope = $IPV4Scopes.Get($itmIPV4Scope-1)

			}

		}



		$PercIPV4InUse = $ObjIPV4Scope.PercentageInUse

		$PercIPV4Avail = 100-$PercIPV4InUse





		if($PercIPV4Avail -le $ErrorThreshold)

		{	

			$tbData=$ObjIPV4Scope.ScopeId.toString()

			$Html= $Html + "&lt;tr&gt;&lt;td&gt; $itmIPV4Scope &lt;/td&gt;&lt;td&gt; $tbData &lt;/td&gt;&lt;td&gt; $PercIPV4Avail &lt;/td&gt;&lt;/tr&gt;"

			$CriticalScopesCount++

		}

	}

	$Html= $Html + "&lt;/Table&gt;&lt;br&gt; $CriticalScopesCount Scopes have available Scopes below Threshold value&lt;/br&gt;&lt;/Body&gt;&lt;/Html&gt;"





	$ScriptBlock = {

					$date=Get-Date

					$FileName="DHCP.Available.Scope.Addresses.Report_"+$date.ToString("dd-MM-yyyy_HH-mm-ss.ff")+".html"

					$FilePath=$args[1]+"\"+$FileName

					$args[0] | Out-File -filepath $FilePath

			   	   }

	

	$result = Invoke-Command -ComputerName $OutputServer -ScriptBlock $ScriptBlock -ArgumentList $Html,$OutputFolder



	Write-Host "$CriticalScopesCount Scopes have available Scopes below Threshold value"

}

catch [System.Management.Automation.Remoting.PSRemotingTransportException]

{

	Write-Warning "Access Denied : Please provide authorised username and password"

}

catch [System.Exception]

{

	if($error[0].exception.gettype().fullname -eq "System.Management.Automation.Remoting.PSRemotingTransportException")

	{

		Write-Warning "Access Denied : Please provide authorised username and password"

	}

	else

	{

		$Description = $_.ToString()

		Write-Warning $Description

	}

}

finally

{

    #Write-Host "Script Executed"

}

</Script></ScriptBody>

    <ErrorThreshold>10</ErrorThreshold>

    <OutputServer/>

    <OutputFolder>c:\</OutputFolder>

    <TimeoutSeconds>300</TimeoutSeconds>

  </ProbeAction>

</Task>