SIP Proxy: DHCP Server could not be started

Microsoft.LS.2013.Monitoring.UnitMonitor.PairedEvent.Registrar.SIPPROXY_EVENT_DHCP_SERVER_START_FAILED (UnitMonitor)

Knowledge Base article:

Summary

Lync Server DHCP component could not be started.

Causes

This is a configuration problem.

Resolutions

Make sure that no other software is listening on port 67, or disable the DHCP component by using Set-CSRegistrarConfiguration -EnableDHCPServer $false.

Element properties:

Target

Microsoft.LS.2013.Component.Registrar

Parent Monitor

System.Health.ConfigurationState

Category

ConfigurationHealth

Enabled

True

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.LS.2013.MonitorType.PairedEvent.Simple

Remotable

True

Accessibility

Public

Alert Message

[LYNC] Lync Server DHCP component could not be started.

{0}

Please see the 'Product Knowledge' and the 'Alert Context' tab on Alert Properties view for more information.

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.LS.2013.Monitoring.UnitMonitor.PairedEvent.Registrar.SIPPROXY_EVENT_DHCP_SERVER_START_FAILED" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2013.Component.Registrar" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2013.MonitorType.PairedEvent.Simple" ConfirmDelivery="true">

  <Category>ConfigurationHealth</Category>

  <AlertSettings AlertMessage="Alert_Lync_Server_DHCP_component_could_not_be_started.">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

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

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.PairedEvent.Registrar.SIPPROXY_EVENT_DHCP_SERVER_START_FAILED.Success" MonitorTypeStateID="SuccessEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.PairedEvent.Registrar.SIPPROXY_EVENT_DHCP_SERVER_START_FAILED.Error" MonitorTypeStateID="ErrorEventRaised" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

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

    <LogName>Lync Server</LogName>

    <SuccessExpression>

      <Or>

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">14598</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">LS Protocol Stack</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">12288</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">LS Server</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

      </Or>

    </SuccessExpression>

    <ErrorExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">14597</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS Protocol Stack</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

  </Configuration>

</UnitMonitor>