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KHI: A database is approaching its size limit. Exceeding the limit may result in the database becoming unavailable.

_656e4225_89a2_4b34_b008_621ead0bc777_ (UnitMonitor)

Knowledge Base article:

External Knowledge Sources

For more information, see the respective topic at the Microsoft Exchange Server TechCenter

Element properties:

TargetMicrosoft.Exchange.2010.Mailbox.DatabaseCopy
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeCorrelation.StatefulWindowsEventTimerMonitorType
RemotableTrue
AccessibilityPublic
RunAsDefault
CommentActionable='False';Urgent='False';EscalationTeam='High Availability'

Source Code:

<UnitMonitor ID="_656e4225_89a2_4b34_b008_621ead0bc777_" Enabled="onEssentialMonitoring" Target="Microsoft.Exchange.2010.Mailbox.DatabaseCopy" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Accessibility="Public" TypeID="Correlation.StatefulWindowsEventTimerMonitorType" Comment="Actionable='False';Urgent='False';EscalationTeam='High Availability'">

  <Category>AvailabilityHealth</Category>

  <OperationalStates>

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

    <OperationalState ID="Warning" MonitorTypeStateID="EventRaised" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <MonitorType>KHI</MonitorType>

    <VoteWeight>900</VoteWeight>

    <ComputerName>.</ComputerName>

    <LogName>Application</LogName>

    <Expression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">9688</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>MatchesWildcard</Operator>

            <Pattern>MSExchangeIS*</Pattern>

          </RegExExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">$Target/Property[Type='Microsoft.Exchange.2010.Component']/InstanceName$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </Expression>

    <TimerWaitInSeconds>86400</TimerWaitInSeconds>

  </Configuration>

</UnitMonitor>