AK545962

Monitor_AK545962 (UnitMonitor)

The System Attendant homeMDB attribute is missing or invalid

Knowledge Base article:

Element properties:

Source Code:

<UnitMonitor ID="Monitor_AK545962" Comment="SupportTopic=TBD;VersionNumber=1.0.1.0;" Accessibility="Public" Enabled="true" Target="MicrosoftKnowledgeServicesExchange2010Library!Microsoft.KnowledgeServices.Exchange.2010.MailboxRole" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="KnowledgeServicesLibrary!Microsoft.KnowledgeServices.Library.PowerShellMonitorEx" ConfirmDelivery="true">

  <Category>Alert</Category>

  <AlertSettings AlertMessage="MonitorMessage631dda986b714b0a885b31152e402342">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Warning</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="MicrosoftKnowledgeServicesExchange2010Library!Microsoft.KnowledgeServices.Exchange.2010.MailboxRole"]/Name$</AlertParameter1>

      <AlertParameter2>$Data/Context/Property[@Name='SystemAttendantHomeMdbDN']$</AlertParameter2>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Success" MonitorTypeStateID="Success" HealthState="Success"/>

    <OperationalState ID="Error" MonitorTypeStateID="Error" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <ScriptName>AK545962.ps1</ScriptName>

    <Parameters>

      <Parameter>

        <Name>MailboxServerName</Name>

        <Value>$Target/Property[Type="MicrosoftKnowledgeServicesExchange2010Library!Microsoft.KnowledgeServices.Exchange.2010.MailboxRole"]/Name$</Value>

      </Parameter>

    </Parameters>

    <ScriptBody><Script>





param($MailboxServerName)



$ErrorActionPreference = "Stop"



# Set up the arguments

$scriptargs = new-object psobject

$scriptargs | add-member NoteProperty "MailboxServerName" $MailboxServerName



# Set up the output

$global:scriptoutput = new-object psobject

$scriptoutput | add-member NoteProperty "HasIssue" $false

$scriptoutput | add-member NoteProperty "SystemAttendantHomeMdbDN" ""

#----------------------------------------------------- 

# MAIN CODE SECTION

#----------------------------------------------------- 



# Environment



$scriptenv = new-object psobject

$scriptenv | add-member NoteProperty "MailboxServer" $null

$scriptenv | add-member NoteProperty "ServerDistinguishedName" ""

$scriptenv | add-member NoteProperty "ADSIPath" ""

$scriptenv | add-member NoteProperty "HomeMdbAttribute" "null"

$scriptenv | add-member NoteProperty "HomeMdbAttributeValue" "null"

$scriptenv | add-member NoteProperty "HomeMdb" $null





# Helper functions



#function to get the System Attendant homeMdb Attribute

Function Get-HomeMdbInfo{

	Param ([string]$ServerName = $scriptargs.MailboxServerName)

	

	$scriptenv.MailboxServer = Get-MailboxServer -Identity $ServerName -ErrorAction SilentlyContinue

	If($scriptenv.MailboxServer -ne $null){

		$scriptenv.ServerDistinguishedName = $scriptenv.MailboxServer.DistinguishedName

		If($scriptenv.ServerDistinguishedName -ne "" -and $scriptenv.ServerDistinguishedName -ne $null){

			$scriptenv.ADSIPath = "LDAP://CN=Microsoft System Attendant," + $scriptenv.ServerDistinguishedName

			$scriptenv.HomeMdbAttribute = ([ADSI]$scriptenv.ADSIPath).Properties["homeMdb"][0]

			If($scriptenv.HomeMdbAttribute -ne $null -and $scriptenv.HomeMdbAttribute -ne ""){

				$scriptenv.HomeMdb = Get-MailboxDatabase -Identity $scriptenv.HomeMdbAttribute -ErrorAction SilentlyContinue

			}

			else{

				$scriptenv.HomeMdbAttribute = "null"

			}

		}

	}

}





# Main function



Function AdvisorRule($scriptargs, $scriptoutput) 

{ 

	# All parameters should be populated outside of the main function. 

	# The mian function should only include the detection logic so that it can be easyly reused by the Atlanta authoring tool.



	# Initialize parameters

	$scriptoutput.HasIssue = $false

	

	# Set parameter values

	Get-HomeMdbInfo 

	$scriptoutput.SystemAttendantHomeMdbDN = $scriptenv.HomeMdbAttribute

	

	# Detection Logic

	If ($scriptenv.HomeMdbAttribute -eq $null -or $scriptenv.HomeMdb -eq $null){

		#Raise alert

		$scriptoutput.HasIssue = $true

	}

}

AdvisorRule $scriptargs $scriptoutput



# set the output

$mom = new-object -comobject "MOM.ScriptAPI"

$bag = $mom.CreatePropertyBag()



if ($scriptoutput.HasIssue -ne $null)

{

	$bag.AddValue("HasIssue", $scriptoutput.HasIssue)

}



if ($scriptoutput.SystemAttendantHomeMdbDN -ne $null)

{

	$bag.AddValue("SystemAttendantHomeMdbDN", $scriptoutput.SystemAttendantHomeMdbDN)

}



$bag



</Script></ScriptBody>

    <SnapIns>

      <SnapIn>Microsoft.Exchange.Management.PowerShell.E2010</SnapIn>

    </SnapIns>

    <TimeoutSeconds>300</TimeoutSeconds>

    <Schedule>86372</Schedule>

    <ErrorExpression>

      <SimpleExpression>

        <ValueExpression>

          <XPathQuery Type="Boolean">Property[@Name='HasIssue']</XPathQuery>

        </ValueExpression>

        <Operator>Equal</Operator>

        <ValueExpression>

          <Value Type="Boolean">true</Value>

        </ValueExpression>

      </SimpleExpression>

    </ErrorExpression>

    <SuccessExpression>

      <Not>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="Boolean">Property[@Name='HasIssue']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="Boolean">true</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </Not>

    </SuccessExpression>

  </Configuration>

</UnitMonitor>