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How to Use PowerShell to Fix an ObjectSID on an FIM Portal Object

FIM ScriptBox Item

Summary

Sometimes the ObjectSID just isn't what you want it to be or it's been unintentionally recalled due to another action. :)
This script should fix the portal object, just pass it the account name and domain on the command line and it will retrieve the SID, find the object by AccountName in the portal and then fix it if it is wrong.

Script Code

 

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 PARAM([string]$AccountName,[string]$Domain)
cls
#------------------------------------------------------------------------------------------------------
 set-variable -name URI    -value "http://localhost:5725/resourcemanagementservice"    -option constant
 
 function GetSidAsBase64
{
    PARAM($AccountName, $Domain)
    END
    {
        $sidArray = [System.Convert]::FromBase64String("AQUAAAAAAAUVAAAA71I1JzEyxT2s9UYraQQAAA==") # This sid is a random value to allocate the byte array
        $args = (,$Domain)
        $args += $AccountName
        $ntaccount = New-Object System.Security.Principal.NTAccount $args
        $desiredSid = $ntaccount.Translate([System.Security.Principal.SecurityIdentifier])
write-host " -Account SID : ($Domain\$AccountName) $desiredSid"
        $desiredSid.GetBinaryForm($sidArray,0)
        $desiredSidString = [System.Convert]::ToBase64String($sidArray)
        $desiredSidString
    }
}
#------------------------------------------------------------------------------------------------------
 write-host "`nFix Account ObjectSID"
 write-host "=========================="
#------------------------------------------------------------------------------------------------------
#Retrieve the Base64 encoded SID for the referenced user
 $accountSid = GetSidAsBase64 $AccountName $Domain
#------------------------------------------------------------------------------------------------------
#Export the account configuration from the service:
 write-host " -Reading Account information"
 if(@(get-pssnapin | where-object {$_.Name -eq "FIMAutomation"} ).count -eq 0) 
 {add-pssnapin FIMAutomation}
 
 $exportObject = export-fimconfig -uri $URI `
                                  -onlyBaseResources `
                                  -customconfig ("/Person[AccountName='$AccountName']")
 if($exportObject -eq $null) {throw "Cannot find an account by that name"} 
 $objectSID = $exportObject.ResourceManagementObject.ResourceManagementAttributes | `
                 Where-Object {$_.AttributeName -eq "ObjectSID"}

 Write-Host " -New Value = $accountSid"
 Write-Host " -Old Value =" $objectSID.Value
 
 if($accountSid -eq $objectSID.Value)
  {
Write-Host "Existing value is correct!"
}
 else
  {
$importChange = New-Object Microsoft.ResourceManagement.Automation.ObjectModel.ImportChange
$importChange.Operation = 1
$importChange.AttributeName = "ObjectSID"
$importChange.AttributeValue = $accountSid
$importChange.FullyResolved = 1
$importChange.Locale = "Invariant"
$importObject = New-Object Microsoft.ResourceManagement.Automation.ObjectModel.ImportObject
$importObject.ObjectType = $exportObject.ResourceManagementObject.ObjectType
$importObject.TargetObjectIdentifier = $exportObject.ResourceManagementObject.ObjectIdentifier
$importObject.SourceObjectIdentifier = $exportObject.ResourceManagementObject.ObjectIdentifier
$importObject.State = 1 
$importObject.Changes = (,$importChange)
write-host " -Writing Account information ObjectSID = $accountSid"
$importObject | Import-FIMConfig -uri $URI -ErrorVariable Err -ErrorAction SilentlyContinue
if($Err){throw $Err}
Write-Host "Success!"
}
#------------------------------------------------------------------------------------------------------
 trap
 { 
    Write-Host "`nError: $($_.Exception.Message)`n" -foregroundcolor white -backgroundcolor darkred
    Exit
 }
#------------------------------------------------------------------------------------------------------

 

Note

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For more FIM related Windows PowerShell scripts, see the  FIM ScriptBox

 

See Also