DHCP 2012 IP Address Range Policies 100 Percentage Utilization Rule

Microsoft.Windows.DHCPServer.2012.Policy.Rule.IPAddressRange100Full (Rule)

This Rule check for 80 Percentage utilization in IP Address Range based on defined policies configured in a DHCP 2012 server

Knowledge Base article:

Summary

This rule check for 100 Percentage utilization in IP Address Range based on defined policies configured in a DHCP 2012 server

Causes

Check IP address range utilization in the scope or super scope being included in the alert.

Resolutions

Try to free IP addresses by deleting unused reserved addresses.

Element properties:

Target

Microsoft.Windows.DHCPServer.2012.IPv4Scope

Category

EventCollection

Enabled

True

Alert Generate

True

Alert Severity

Warning

Alert Priority

Normal

Remotable

True

Alert Message

DHCP 2012 IP Address Range Policies 100 Percentage Utilization Alert

{0}

Event Log

System

Member Modules:

ID	Module Type	TypeId	RunAs
DS	DataSource	Microsoft.Windows.EventProvider	Default
GenerateAlert	WriteAction	System.Health.GenerateAlert	Default
WriteToDB	WriteAction	Microsoft.SystemCenter.CollectEvent	Default
WriteToDW	WriteAction	Microsoft.SystemCenter.DataWarehouse.PublishEventData	Default

Source Code:

<Rule ID="Microsoft.Windows.DHCPServer.2012.Policy.Rule.IPAddressRange100Full" Enabled="true" Target="Microsoft.Windows.DHCPServer.2012.IPv4Scope" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>EventCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Windows!Microsoft.Windows.EventProvider">

      <ComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/PrincipalName$</ComputerName>

      <LogName>System</LogName>

      <Expression>

        <And>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="String">PublisherName</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="String">Microsoft-Windows-DHCP-Server</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="UnsignedInteger">1341</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="String">Params/Param[1]</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="String">$Target/Property[Type="DHCP!Microsoft.Windows.DHCPServer.Library.Scope"]/Name$</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="GenerateAlert" TypeID="Health!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>1</Severity>

      <AlertMessageId>$MPElement[Name="Microsoft.Windows.DHCPServer.2012.Policy.UnitMonitor.IPAddressRange100Full.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue>$Data/Params/Param[1]$</SuppressionValue>

      </Suppression>

    </WriteAction>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectEvent"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishEventData"/>

  </WriteActions>

</Rule>