MSSQL on Windows: Discovery error

Microsoft.SQLServer.Windows.Rule.MonitoringPoolAlertCollection.DiscoveryError (Rule)

The rule traces discovery workflows errors and generates error alerts.

Knowledge Base article:

Summary

The rule traces discovery workflows errors and generates error alerts.

Causes

The most common cause of discovery workflow fails is lack of permissions to monitor SQL Server.

Resolutions

Make sure that all necessary SQL Server monitoring privileges are obtained.

Overridable Parameters

Name	Description	Default Value
Enabled	Enables or disables the workflow.	Yes
Priority	Defines Alert Priority.	1
Severity	Defines Alert Severity.	2

Element properties:

Target

Microsoft.SQLServer.Windows.MonitoringPoolAlertCollection

Category

Alert

Enabled

True

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Remotable

True

Alert Message

MSSQL on Windows: Discovery error

{0}

Event Log

Operations Manager

Member Modules:

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

Source Code:

<Rule ID="Microsoft.SQLServer.Windows.Rule.MonitoringPoolAlertCollection.DiscoveryError" Enabled="true" Target="Microsoft.SQLServer.Windows.MonitoringPoolAlertCollection" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>Alert</Category>

  <DataSources>

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

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

      <LogName>Operations Manager</LogName>

      <Expression>

        <And>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

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

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="UnsignedInteger">4221</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

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

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="UnsignedInteger">1</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

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

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="String">SQL Server Discovery MP Windows</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <RegExExpression>

              <ValueExpression>

                <XPathQuery>Params/Param[1]</XPathQuery>

              </ValueExpression>

              <Operator>MatchesRegularExpression</Operator>

              <Pattern>^Management Group: "$Target/ManagementGroup/Name$"</Pattern>

            </RegExExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

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

      <Priority>1</Priority>

      <Severity>2</Severity>

      <AlertOwner/>

      <AlertMessageId>$MPElement[Name="Microsoft.SQLServer.Windows.Rule.MonitoringPoolAlertCollection.DiscoveryError.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

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

      </AlertParameters>

      <Suppression>

        <SuppressionValue/>

      </Suppression>

    </WriteAction>

  </WriteActions>

</Rule>