Master merge was started because the amount of remaining disk space was less than two percent.

Master_merge_was_started_because_the_amount_of_remaining_disk_space_was_less_than_two_percent (Rule)

Knowledge Base article:

Summary

Master merge was started because the amount of remaining disk space was less than two percent.

Sample Event:

Master merge was started on %1 because the amount of remaining disk space was less than %2%.

Resolutions

The Indexing service is now performing maintenance to shrink the shadow index files so that more disk space will be available. However, it is highly recommended that you check the available disk space and make more room available if possible.

External

For more information about MssCi event 4110, see:

Element properties:

TargetMicrosoft.Exchange.ServerRole.2003
CategoryEventCollection
EnabledTrue
Event_ID4110
Event SourceMssCi
Alert GenerateTrue
Alert SeverityInformation
Alert PriorityNormal
RemotableTrue
Alert Message
Master merge was started because the amount of remaining disk space was less than two percent.
{0}
Event LogApplication

Member Modules:

ID Module Type TypeId RunAs 
EventDS DataSource Microsoft.Windows.EventProvider Default
GenerateAlert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Master_merge_was_started_because_the_amount_of_remaining_disk_space_was_less_than_two_percent" Enabled="onEssentialMonitoring" Target="Exch2003Core!Microsoft.Exchange.ServerRole.2003" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="EventDS" TypeID="Windows!Microsoft.Windows.EventProvider">
<ComputerName>.</ComputerName>
<LogName>Application</LogName>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>Channel</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Application</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>MssCi</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>4110</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>0</Severity>
<AlertOwner>$Data/PublisherName$</AlertOwner>
<AlertMessageId>$MPElement[Name="Master_merge_was_started_because_the_amount_of_remaining_disk_space_was_less_than_two_percent.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>