An incorrect record was used with the cache hash table. This may be caused by internal memory issues or hardware issues. Restart the Microsoft Exchange Active Directory Topology service.

Microsoft.Exchange2007.Common.MSExchangeADAccess.2056 (Rule)

Knowledge Base article:

External

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

Element properties:

TargetMicrosoft.Exchange2007.Component.Common
CategoryEventCollection
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
An incorrect record was used with the cache hash table. This may be caused by internal memory issues or hardware issues. Restart the Microsoft Exchange Active Directory Topology service.
{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.Common.MSExchangeADAccess.2056" Enabled="onEssentialMonitoring" Target="ExLibrary!Microsoft.Exchange2007.Component.Common" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="DS" TypeID="Microsoft.Exchange2007.Application.FilteredEventProvider.DS">
<EventSourceName>MSExchange ADAccess</EventSourceName>
<EventDisplayNumber>2056</EventDisplayNumber>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="Health!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>1</Severity>
<AlertOwner>$Data/PublisherName$</AlertOwner>
<AlertMessageId>$MPElement[Name="Microsoft.Exchange2007.Common.MSExchangeADAccess.2056.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>