KHI: The database copy is low on log volume space. The volume has reached critical levels (15\% free).

_1E253B35_A392_4ec0_8C82_A9D63524E627_ (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.PublicFolderDatabaseLogLogicalDiskSpace
Parent Monitor	System.Health.AvailabilityState
Category	PerformanceHealth
Enabled	True
Alert Generate	False
Alert Auto Resolve	True
Monitor Type	Correlation.Performance.ThresholdMonitorType
Remotable	True
Accessibility	Public
RunAs	Default
Comment	Actionable='False';Urgent='True';EscalationTeam='Store'

Source Code:

<UnitMonitor ID="_1E253B35_A392_4ec0_8C82_A9D63524E627_" Target="Microsoft.Exchange.2010.Mailbox.PublicFolderDatabaseLogLogicalDiskSpace" Enabled="onEssentialMonitoring" Accessibility="Public" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" TypeID="Correlation.Performance.ThresholdMonitorType" Comment="Actionable='False';Urgent='True';EscalationTeam='Store'">

  <Category>PerformanceHealth</Category>

  <OperationalStates>

    <OperationalState ID="HMPerfMonitorUnderOpState_6EB1E154_412C_4066_9638_C3C8DF9DE431" MonitorTypeStateID="UnderThreshold" HealthState="Error"/>

    <OperationalState ID="HMPerfMonitorOverOpState_DC569681_955C_44A0_9715_466E2F175F95" MonitorTypeStateID="OverThreshold" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

    <MonitorType>KHI</MonitorType>

    <VoteWeight>1100</VoteWeight>

    <ComputerName>.</ComputerName>

    <CounterName>% Free Space</CounterName>

    <ObjectName>LogicalDisk</ObjectName>

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

    <AllInstances>false</AllInstances>

    <Frequency>300</Frequency>

    <Threshold>15</Threshold>

  </Configuration>

</UnitMonitor>