The message exceeded the maximum hop count.

The_message_exceeded_the_maximum_hop_count__4_2_Rule (Rule)

Knowledge Base article:

Summary

The message exceeded the maximum hop count.

Resolutions

At this time, there is no historical information available to help provide assistance on this event. Please monitor event logs for recurrence of this event, and any other events which recur with it. In addition, please make a note of any other behaviors with the product which coincide with this event. Please continue with your normal path of troubleshooting.

External

For more information about IMAP4SVC event 12066, see:

Element properties:

TargetMicrosoft.Exchange.Protocol.IMAP4
CategoryEventCollection
EnabledTrue
Event_ID12066
Event SourceIMAP4SVC
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
The message exceeded the maximum hop count.
{0}
Event LogApplication

Member Modules:

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

Source Code:

<Rule ID="The_message_exceeded_the_maximum_hop_count__4_2_Rule" Enabled="onEssentialMonitoring" Target="Exch2003Core!Microsoft.Exchange.Protocol.IMAP4" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">
<Category>EventCollection</Category>
<DataSources>
<DataSource ID="EventDS" TypeID="Windows!Microsoft.Windows.EventProvider">
<ComputerName>.</ComputerName>
<LogName>Application</LogName>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>Channel</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Application</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>IMAP4SVC</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>12066</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</DataSource>
</DataSources>
<WriteActions>
<WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">
<Priority>1</Priority>
<Severity>1</Severity>
<AlertOwner>$Data/PublisherName$</AlertOwner>
<AlertMessageId>$MPElement[Name="The_message_exceeded_the_maximum_hop_count__4_2_Rule.AlertMessage"]$</AlertMessageId>
<AlertParameters>
<AlertParameter1>$Data/EventDescription$</AlertParameter1>
</AlertParameters>
<Suppression>
<SuppressionValue/>
</Suppression>
</WriteAction>
</WriteActions>
</Rule>