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DNS 2003 Free Disk Space Monitor

Microsoft.Windows.DNSServer.2003.Monitor.ServerStatus.FreeDiskSpace (UnitMonitor)

Knowledge Base article:

DNS Server Service Status

The DNS Server service responds to requests from DNS client computers for name resolution services. Domain Name System (DNS) is a protocol that enables a computer to obtain the numeric IP address of another computer by submitting the target computer's name to a DNS server. Problem with the DNS Server service can cause network performance to degrade or even prevent network computers from being able to locate each other.

There is not enough free disk space (Cause)

There is not enough available disk space on the DNS server to complete an operation.

Free disk space (Resolution)

Free up some space on the system drive (by removing unneeded files, for example), and then retry the operation that failed.

For information about increasing available disk space on an NTFS volume, see article 814594 in the Microsoft Knowledge Base ( http://go.microsoft.com/fwlink/?LinkId=95628).

Element properties:

TargetMicrosoft.Windows.DNSServer.2003.Server
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.2SingleEventLog2StateMonitorType
RemotableTrue
AccessibilityInternal
Alert Message
DNS 2003 Free Disk Space Alert
{0}
RunAsMicrosoft.Windows.DNSServer.Library.ActionAccount

Source Code:

<UnitMonitor ID="Microsoft.Windows.DNSServer.2003.Monitor.ServerStatus.FreeDiskSpace" Accessibility="Internal" Enabled="onEssentialMonitoring" Target="Microsoft.Windows.DNSServer.2003.Server" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" RunAs="DNS!Microsoft.Windows.DNSServer.Library.ActionAccount" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="true">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.Windows.DNSServer.2003.Monitor.ServerStatus.FreeDiskSpace_AlertMessageResourceID">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

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

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="UIGeneratedOpStateId041fdc58d31b47d29079092945b4634e" MonitorTypeStateID="FirstEventRaised" HealthState="Error"/>

    <OperationalState ID="UIGeneratedOpStateIdbf2f6cb75542446f84a0897334414b2d" MonitorTypeStateID="SecondEventRaised" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

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

    <FirstLogName>DNS Server</FirstLogName>

    <FirstExpression>

      <And>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery>EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>MatchesRegularExpression</Operator>

            <Pattern>^(3151|3153)$</Pattern>

          </RegExExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">DNS</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </FirstExpression>

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

    <SecondLogName>DNS Server</SecondLogName>

    <SecondExpression>

      <And>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery>EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>MatchesRegularExpression</Operator>

            <Pattern>^(2|4)$</Pattern>

          </RegExExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">DNS</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </SecondExpression>

  </Configuration>

</UnitMonitor>