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MSSQL 2012: Availability Replica Role Changed

Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplicaRoleChanged (Rule)

This error occurs when Availability replica changes its role.

Knowledge Base article:

Summary

This error occurs when Availability replica changes its role.

This event is disabled in SQL Server by default. It can be enabled by means of the following TSQL: sp_altermessage 19406, 'with_log', 'true'

Causes

The replica state changed because of either a startup, a failover, a communication issue, or a cluster error. See the event for additional information.

Resolutions

If the “changed to” state is PRIMARY_PENDING, then check sys.dm_hadr_database_replica_states. If database_state_desc = RECOVERY_PENDING (synchronization_health_desc will be NOT_HEALTHY), then try “ALTER DATABASE db SET HADR RESUME;”. Else if this is the only replica (no secondary replica), then (consider first taking a database snapshot as a backup if required) try “ALTER DATABASE db SET HADR OFF;” to remove Always On so as to then manually recover database with SQL service or database restart (ALTER DATABASE ONLINE).

TSQL: ALTER DATABASE DbName SET HADR RESUME;

TSQL: ALTER DATABASE DbName SET ONLINE;

TSQL: RESTORE DATABASE DbName WITH RECOVERY;

If the “changed to” state is RESOLVING_NORMAL, check for additional messages.

If “change to” state is PRIMARY_NORMAL / SECONDARY_NORMAL, then this may indicate a successful failover. Check for additional messages if failover was not expected.

Overridable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

Yes

Priority

Defines Alert Priority.

1

Severity

Defines Alert Severity.

1

Element properties:

TargetMicrosoft.SQLServer.2012.AlwaysOn.AvailabilityReplica
CategoryEventCollection
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
MSSQL 2012: Availability Replica Role Changed
{0}
Event LogApplication

Member Modules:

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

Source Code:

<Rule ID="Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplicaRoleChanged" Target="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplica" Enabled="true" ConfirmDelivery="true" Remotable="true">

  <Category>EventCollection</Category>

  <DataSources>

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

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

      <LogName>Application</LogName>

      <Expression>

        <And>

          <Expression>

            <Or>

              <Expression>

                <SimpleExpression>

                  <ValueExpression>

                    <XPathQuery Type="String">PublisherName</XPathQuery>

                  </ValueExpression>

                  <Operator>Equal</Operator>

                  <ValueExpression>

                    <Value Type="String">$Target/Property[Type="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplica"]/PerformanceObjectName$</Value>

                  </ValueExpression>

                </SimpleExpression>

              </Expression>

              <Expression>

                <SimpleExpression>

                  <ValueExpression>

                    <XPathQuery Type="String">PublisherName</XPathQuery>

                  </ValueExpression>

                  <Operator>Equal</Operator>

                  <ValueExpression>

                    <!--Default instance with SQLServer object name-->

                    <Value Type="String">MS$Target/Property[Type="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplica"]/PerformanceObjectName$</Value>

                  </ValueExpression>

                </SimpleExpression>

              </Expression>

            </Or>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="UnsignedInteger">19406</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

                <XPathQuery Type="String">Params/Param[1]</XPathQuery>

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="String">$Target/Property[Type="AlwaysOnDisc!Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplica"]/AvailabilityGroupName$</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

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

      <Priority>1</Priority>

      <Severity>1</Severity>

      <AlertMessageId>$MPElement[Name="Microsoft.SQLServer.2012.AlwaysOn.AvailabilityReplicaRoleChanged.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>Event ID: $Data/EventDisplayNumber$. $Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue/>

      </Suppression>

    </WriteAction>

  </WriteActions>

</Rule>