The action to summarize all period summaries from the array failed

Microsoft.Forefront.TMG.The_action_to_summarize_all_period_summaries_from_the_array_failed.Rule (Rule)

This Rule generates alerts when The action to summarize all period summaries from the array failed

Knowledge Base article:

Summary

The TMG Server Report Generator failed to merge log summaries from the array members to a single log summary for this period. As a result, the report for this period cannot be generated (or will include no data).

Causes

This failure may occur for one of the following reasons:

Resolutions

Element properties:

TargetMicrosoft.Forefront.TMG.Server
CategoryEventCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Forefront.TMG.Rule.AlertGenerate.DS Default
WA WriteAction Microsoft.Forefront.TMG.Rule.AlertGenerate.WA Default

Source Code:

<Rule ID="Microsoft.Forefront.TMG.The_action_to_summarize_all_period_summaries_from_the_array_failed.Rule" Enabled="true" Target="Microsoft.Forefront.TMG.Server" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="DS" TypeID="Microsoft.Forefront.TMG.Rule.AlertGenerate.DS">
<ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>Application</LogName>
<EventsPattern>^(21022)$</EventsPattern>
<EventType>1</EventType>
<SourcePattern>Microsoft Forefront TMG Report Generator</SourcePattern>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="WA" TypeID="Microsoft.Forefront.TMG.Rule.AlertGenerate.WA">
<AlertMessageId>$MPElement[Name="Microsoft.Forefront.TMG.The_action_to_summarize_all_period_summaries_from_the_array_failed.AlertMessage"]$</AlertMessageId>
<DomainName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/DomainDnsName$</DomainName>
<Priority>2</Priority>
<Severity>2</Severity>
</WriteAction>
</WriteActions>
</Rule>