KHI: The database copy is low on database volume space and continues to grow. The volume is under 25\% free.

_5c1c7dd4_89a1_4ba4_be25_91d295735fc3_ (UnitMonitor)

Knowledge Base article:

External Knowledge Sources

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

Element properties:

Target	Microsoft.Exchange.2010.Mailbox.DatabaseCopyEdbLogicalDiskSpace
Parent Monitor	System.Health.AvailabilityState
Category	AvailabilityHealth
Enabled	False
Alert Generate	False
Alert Auto Resolve	True
Monitor Type	Correlation.StatefulWindowsEventMonitorType
Remotable	True
Accessibility	Public
RunAs	Default
Comment	Actionable='False';Urgent='False';EscalationTeam='Store'

Source Code:

<UnitMonitor ID="_5c1c7dd4_89a1_4ba4_be25_91d295735fc3_" Target="Microsoft.Exchange.2010.Mailbox.DatabaseCopyEdbLogicalDiskSpace" Enabled="false" Accessibility="Public" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" TypeID="Correlation.StatefulWindowsEventMonitorType" Comment="Actionable='False';Urgent='False';EscalationTeam='Store'">

  <Category>AvailabilityHealth</Category>

  <OperationalStates>

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

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

  </OperationalStates>

  <Configuration>

    <MonitorType>KHI</MonitorType>

    <VoteWeight>-1</VoteWeight>

    <FirstComputerName>.</FirstComputerName>

    <FirstLogName>Microsoft-Exchange-Troubleshooters/Operational</FirstLogName>

    <FirstExpression>

      <And>

        <Expression>

          <And>

            <Expression>

              <RegExExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>MatchesRegularExpression</Operator>

                <Pattern>^(5700|5101)$</Pattern>

              </RegExExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">Database Space</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="String">Params/Param[2]</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

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

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">5700</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </FirstExpression>

    <SecondComputerName>.</SecondComputerName>

    <SecondLogName>Microsoft-Exchange-Troubleshooters/Operational</SecondLogName>

    <SecondExpression>

      <And>

        <Expression>

          <And>

            <Expression>

              <RegExExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>MatchesRegularExpression</Operator>

                <Pattern>^(5700|5101)$</Pattern>

              </RegExExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">Database Space</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

                  <XPathQuery Type="String">Params/Param[2]</XPathQuery>

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

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

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

        <Expression>

          <Not>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">5700</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </Not>

        </Expression>

      </And>

    </SecondExpression>

  </Configuration>

</UnitMonitor>