Invoke-AADPassSyncFix

# Quick fix for Azure AD Connect Password sync issues
# @michael_mardahl on Twitter.com
# https://www.iphase.dk

# This script assumes that you have one AAD Tenant and one local AD connected.
# Otherwise you might have to manually enter the names of your ADConnector and your AADConnector within this script

Import-Module ADSync

$Connectors = Get-ADSyncConnector | select Name, Type

$ADConnector  = $Connectors | Where-Object Type -EQ "AD" | select Name -ExpandProperty Name
$AADConnector = $Connectors | Where-Object Name -Like "*AAD" | select Name -ExpandProperty Name

Set-ADSyncScheduler -SchedulerSuspended $false

$Connector = Get-ADSyncConnector -Name $ADConnector

$Params = New-Object Microsoft.IdentityManagement.PowerShell.ObjectModel.ConfigurationParameter "Microsoft.Synchronize.ForceFullPasswordSync", String, ConnectorGlobal, $null, $null, $null
$Params.Value = 1

$Connector.GlobalParameters.Remove($Params.Name)
$Connector.GlobalParameters.Add($Params)
$Connector = Add-ADSyncConnector -Connector $Connector

Set-ADSyncAADPasswordSyncConfiguration -SourceConnector $ADConnector -TargetConnector $AADConnector -Enable $false
Set-ADSyncAADPasswordSyncConfiguration -SourceConnector $ADConnector -TargetConnector $AADConnector -Enable $true