The WebReady Document Viewing worker process cannot be found. Try removing the Outlook Web Access virtual directory by using the Remove-OwaVirtualDirectory cmdlet, and then re-creating it. For more information, see MSExchangeOWA event 49.

Microsoft.Exchange2007.Cas.MSExchangeOWA.49 (Rule)

Knowledge Base article:

External

For more information, see the respective topic at the Microsoft Exchange Server TechCenter

Element properties:

TargetMicrosoft.Exchange2007.ServerRole.Cas
CategoryEventCollection
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
The WebReady Document Viewing worker process cannot be found. Try removing the Outlook Web Access virtual directory by using the Remove-OwaVirtualDirectory cmdlet, and then re-creating it. For more information, see MSExchangeOWA event 49.
{0}

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Exchange2007.Application.FilteredEventProvider.DS Default
GenerateAlert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.Exchange2007.Cas.MSExchangeOWA.49" Enabled="onEssentialMonitoring" Target="ExLibrary!Microsoft.Exchange2007.ServerRole.Cas" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="DS" TypeID="ExDiscovery!Microsoft.Exchange2007.Application.FilteredEventProvider.DS">
<EventSourceName>MSExchange OWA</EventSourceName>
<EventDisplayNumber>49</EventDisplayNumber>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="Health!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>1</Severity>
<AlertOwner>$Data/PublisherName$</AlertOwner>
<AlertMessageId>$MPElement[Name="Microsoft.Exchange2007.Cas.MSExchangeOWA.49.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>