AD cannot allocate memory

AD_cannot_allocate_memory_5_Rule (Rule)

Knowledge Base article:

Summary

The Active Directory® directory service could not allocate the needed amount of memory. Active Directory will continue to operate, but it may not function correctly.

Sample Event:

Active Directory could not allocate the needed amount of memory.

Memory (bytes): %1

Active Directory will continue to operate, but may not function correctly.

Additional Data

Internal ID: %2

Resolutions

Restart this domain controller. If this condition continues, increase the available physical or virtual memory.

External

For more information, see:

Element properties:

Target

Microsoft.Windows.Server.2000.AD.DomainControllerRole

Category

EventCollection

Enabled

True

Event Source

NTDS General

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Remotable

True

Alert Message

AD cannot allocate memory

{0}

Event Log

Directory Service

Comment

Mom2005ID='{4A2D9C78-00B3-40C3-BAC3-08FAEC59188A}';MOM2005GroupID=

Member Modules:

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

Source Code:

<Rule ID="AD_cannot_allocate_memory_5_Rule" Comment="Mom2005ID='{4A2D9C78-00B3-40C3-BAC3-08FAEC59188A}';MOM2005GroupID=" Enabled="onEssentialMonitoring" Target="AD2000Core!Microsoft.Windows.Server.2000.AD.DomainControllerRole" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>EventCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Windows!Microsoft.Windows.EventProvider">

      <ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

      <LogName>Directory Service</LogName>

      <Expression>

        <And>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery>Channel</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value>Directory Service</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <RegExExpression>

              <ValueExpression>

                <XPathQuery>EventDisplayNumber</XPathQuery>

              </ValueExpression>

              <Operator>MatchesMOM2005BooleanRegularExpression</Operator>

              <Pattern>^(1010|1169)$</Pattern>

            </RegExExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery>PublisherName</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value>NTDS General</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="GenerateAlert" TypeID="SystemHealth!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>2</Severity>

      <AlertOwner>$Data/PublisherName$</AlertOwner>

      <AlertMessageId>$MPElement[Name="AD_cannot_allocate_memory_5_Rule.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue/>

      </Suppression>

    </WriteAction>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectEvent"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishEventData"/>

  </WriteActions>

</Rule>