SPN is niet geregistreerd

Microsoft.ActiveDirectoryFederationServices2012R2.FederationServerSPNMonitor (UnitMonitor)

Knowledge Base article:

Samenvatting

The SPN of the AD FS service account is not registered correctly in Active Directory Domain Services (AD DS). This monitor queries the SPN attribute of the AD FS service account from AD DS every 15 minutes and checks whether it is in the format "host/<Federation Service name>"

Oorzaken

Het serviceaccount dat is gekoppeld aan de Windows-service AD FS is gewijzigd, maar AD FS kan geen geregistreerde SPN in AD DS vinden voor het nieuwe serviceaccount.

Oplossingen

Zorg dat de SPN voor het serviceaccount juist is geregistreerd in AD DS. Zie voor meer informatie 'Handmatig een serviceaccount voor een Federatieserverfarm configureren' in de AD FS-implementatiegids.

Element properties:

TargetMicrosoft.ActiveDirectoryFederationServices2012R2.FederationServer
Parent MonitorSystem.Health.ConfigurationState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.ActiveDirectoryFederationServices2012R2.TwoStateScriptMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
SPN is niet geregistreerd
De SPN van het AD FS-serviceaccount is niet op de juiste wijze geregistreerd in Active Directory.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.ActiveDirectoryFederationServices2012R2.FederationServerSPNMonitor" Accessibility="Public" Enabled="true" Target="Microsoft.ActiveDirectoryFederationServices2012R2.FederationServer" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="Microsoft.ActiveDirectoryFederationServices2012R2.TwoStateScriptMonitorType" ConfirmDelivery="false">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.ActiveDirectoryFederationServices2012R2.FederationServerSPNMonitor_AlertMessageResourceID">
<AlertOnState>Warning</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Warning</AlertSeverity>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Success" MonitorTypeStateID="Success" HealthState="Success"/>
<OperationalState ID="Error" MonitorTypeStateID="Error" HealthState="Warning"/>
</OperationalStates>
<Configuration>
<PowerShellPath>%windir%\system32\windowspowershell\v1.0\powershell.exe</PowerShellPath>
<ScriptName>FederationServerSPNCheck.ps1</ScriptName>
<ScriptBody><Script>
function GetDomainUser ([string] $domainUser, [ref]$domain, [ref]$user)
{
$splitacct = $domainUser.Split( '\' )
if ( $splitacct.Length -ne 2 -OR [String]::IsNullOrEmpty( $splitacct[ 0 ] ) -OR [String]::IsNullOrEmpty( $splitacct[ 1 ] ) )
{
return
}
$domain.Value = $splitacct[ 0 ]
$user.Value = $splitacct[ 1 ]
}

Import-Module adfs

$scomapi = new-object -comObject "MOM.ScriptAPI"
$script:spnSet = $true
$script:account = ""
$script:expectedSpn = ""
$script:shouldContinue = $true

$serviceWMIObject = (get-wmiobject -query "select * from win32_service where name='adfssrv'")
$script:account = $serviceWMIObject.StartName
$serviceRunning = $serviceWMIObject.Started

if ($serviceRunning)
{
&amp;{
$domainName = ""
$userName = ""
$domainDirEntry = $null
$dirCtx = $null

GetDomainUser $script:account ([ref]$domainName) ([ref]$userName)
if ([String]::IsNullOrEmpty($domainName) -ne $true)
{
$adfsProperties = Get-ADFSProperties
$script:expectedSpn = [String]::Format( [System.Globalization.CultureInfo]::InvariantCulture, "host/{0}" , $adfsProperties.HostName)

$temp = [System.Reflection.Assembly]::LoadWithPartialName("System.DirectoryServices")
$dirCtx = new-object System.DirectoryServices.ActiveDirectory.DirectoryContext( [System.DirectoryServices.ActiveDirectory.DirectoryContextType]::Domain, $domainName)

&amp;{
$domain = [System.DirectoryServices.ActiveDirectory.Domain]::GetDomain( $dirCtx )
$domainDirEntry = $domain.GetDirectoryEntry()
}
Trap [System.Exception]
{
$script:shouldContinue = $false
#ignore
continue
}

if ($script:shouldContinue)
{
$propertiesToLoad = "servicePrincipalName"
$filter = [String]::Format( [System.Globalization.CultureInfo]::InvariantCulture,"(&amp;(sAMAccountName={0}))", $userName )
$src = new-object System.DirectoryServices.DirectorySearcher( $domainDirEntry )
$temp = $src.PropertiesToLoad.Add( $propertiesToLoad )
$src.Filter = $filter
$searchResult = $src.FindOne()
if ( ($searchResult -eq $null) -or ($searchResult.Properties -eq $null))
{
$script:spnSet = $false
}
else
{
$dirEntry = $searchResult.GetDirectoryEntry()
$script:spnSet = $false
if ( $dirEntry.Properties["servicePrincipalName"] -ne $null )
{
foreach ( $registeredSpn in $dirEntry.Properties["servicePrincipalName"] )
{
if ( ($registeredSpn -ne $null) -and ([StringComparer]::OrdinalIgnoreCase.Equals( $registeredSpn, $script:expectedSpn)) )
{
$script:spnSet = $true
break
}
}
}
}
}
}
}
Trap [System.Exception]
{
#ignore
continue
}
}

$scompb = $scomapi.CreatePropertyBag()
$scompb.AddValue("SPNSet", $script:spnSet )
$scompb.AddValue("Account", $script:account )
$scompb.AddValue("ExpectedSPN", $script:expectedSpn )
$scomapi.AddItem($scompb)
$scomapi.ReturnItems()
</Script></ScriptBody>
<IntervalSeconds>900</IntervalSeconds>
<TimeoutSeconds>180</TimeoutSeconds>
<ErrorExpression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='SPNSet']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">false</Value>
</ValueExpression>
</SimpleExpression>
</ErrorExpression>
<SuccessExpression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">Property[@Name='SPNSet']</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">true</Value>
</ValueExpression>
</SimpleExpression>
</SuccessExpression>
</Configuration>
</UnitMonitor>