A schema collision occurred while replicating attribute definitions

A_schema_collision_occurred_while_replicating_attribute_definitions_5_Rule (Rule)

Knowledge Base article:

Summary

While a schema object was replicated, a conflict was detected with an existing attribute. As a result, inbound replication from the domain controller with the conflicting schema will fail on the local domain controller.

Sample Event:

While replicating the following schema object, a conflict was detected with the following existing attribute.

Schema object: %1

Attribute: %2

As a result, inbound replication from the domain controller with conflicting schema will fail on the local domain controller.

Time of last modification: %4

Additional Data

Error value: %5 %3

Causes

The attribute definition on the domain controller might be corrupted.

Resolutions

If the attribute definition on the local domain controller is corrupted, restore the domain controller from backup media that was created earlier than the time when the attribute schema object was modified.

External

For more information, see:

Element properties:

Target

Microsoft.Windows.Server.2000.AD.DomainControllerRole

Category

EventCollection

Enabled

True

Event_ID

1546

Event Source

NTDS General

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Remotable

True

Alert Message

A schema collision occurred while replicating attribute definitions

{0}

Event Log

Directory Service

Comment

Mom2005ID='{CCFAC51C-20E7-4FD7-BF56-2BB0FCFDA726}';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="A_schema_collision_occurred_while_replicating_attribute_definitions_5_Rule" Comment="Mom2005ID='{CCFAC51C-20E7-4FD7-BF56-2BB0FCFDA726}';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>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery>EventDisplayNumber</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value>1546</Value>

              </ValueExpression>

            </SimpleExpression>

          </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>$MPElement[Name="A_schema_collision_occurred_while_replicating_attribute_definitions_5_Rule.AlertMessage"]$</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>