The Application Host stopped due to an unhandled exception in the application.

OCS_Application_Server_32007_EE (Rule)

Knowledge Base article:

Summary

The Application Host stopped due to an unhandled exception in the application.

Causes

Unhandled exception.

Resolutions

Check the events prior to this to resolve the unhandled exception.

Element properties:

TargetMicrosoft_Office_Communications_Server_2007_R2_Enterprise_Edition
CategoryEventCollection
EnabledTrue
Event_ID32007
Event SourceOCS Application Server
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
RemotableTrue
Alert Message
The Application Host stopped due to an unhandled exception in the application.
{0}
Event LogOffice Communications Server

Member Modules:

ID Module Type TypeId RunAs 
CollectEvent DataSource Microsoft.Windows.EventProvider Default
WriteAlert WriteAction System.Health.GenerateAlert Default
WriteToDB WriteAction Microsoft.SystemCenter.CollectEvent Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishEventData Default

Source Code:

<Rule ID="OCS_Application_Server_32007_EE" Enabled="true" Target="Microsoft_Office_Communications_Server_2007_R2_Enterprise_Edition" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="CollectEvent" TypeID="SCWindowsLibrary!Microsoft.Windows.EventProvider">
<ComputerName>$Target/Host/Property[Type="SCWindowsLibrary!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>Office Communications Server</LogName>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">OCS Application Server</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">32007</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="WriteToDB" TypeID="SCSystemLibrary!Microsoft.SystemCenter.CollectEvent"/>
<WriteAction ID="WriteAlert" TypeID="SCHealth!System.Health.GenerateAlert">
<Priority>2</Priority>
<Severity>2</Severity>
<AlertMessageId>$MPElement[Name="The_Application_Host_stopped_due_to_an_unhandled_exception_in_the_application_"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue>$Data/EventDisplayNumber$</SuppressionValue>
<SuppressionValue>$Data/PublisherName$</SuppressionValue>
</Suppression>
</WriteAction>
<WriteAction ID="WriteToDW" TypeID="SCDataWarehouseLibrary!Microsoft.SystemCenter.DataWarehouse.PublishEventData"/>
</WriteActions>
</Rule>