Event Log Full Alert Mission Critical

Microsoft.Windows.Client.Win10.OperatingSystem.EventLogFull.Alert.MissionCritical (Rule)

Knowledge Base article:

Summary

This rule generates an alert whenever an event log becomes full. Once an event log becomes full, new event instances are discarded. As a result, critical information is not collected, and the health-related system issues may go undetected.

Causes

The event log has reached the capacity. The most-likely cause for this is that the log is configured with one of the following log size configurations:

Resolutions

To resolve this Alert, perform the following procedures:

Save Log File and Clear

Update log file configuration

Additional

Sample Event:

This rule will generate an alert when any of the following events occur in the System Event Log:

The %1 log file is full.

Element properties:

TargetMicrosoft.Windows.Client.Win10.OperatingSystem
CategoryEventCollection
EnabledFalse
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
Event log is full
{0}
Event LogSystem

Member Modules:

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

Source Code:

<Rule ID="Microsoft.Windows.Client.Win10.OperatingSystem.EventLogFull.Alert.MissionCritical" Enabled="false" Target="Win10!Microsoft.Windows.Client.Win10.OperatingSystem" DiscardLevel="100" ConfirmDelivery="true" Remotable="true" Priority="Normal">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="EventDS" TypeID="Windows!Microsoft.Windows.EventProvider">
<ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>System</LogName>
<Expression>
<And>
<Expression>
<Or>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventSourceName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Eventlog</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventSourceName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-Eventlog</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</Or>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>6000</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>1</Severity>
<AlertMessageId>$MPElement[Name="Microsoft.Windows.Client.Win10.OperatingSystem.EventLogFull.Alert.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>