Self Service Password Reset in AADConnect not working

For those google searching the eventlog azure ad connect sync errors I just had, which I couldn’t google an answer to:

start the AADConnect wizard and disable Password Writeback
do a delta sync
start the AADConnect wizard and enable Password Writeback
good 2 go 🙂

Errors for indexing:

TrackingId: e28140af-054b-4ea3-848b-23ff5bfabe14, Writeback Service for Namespace: ssprdedicatedsbprodncu, Endpoint: c42c6655-bda0-4175-90ba-b6e48cacd561_8b979142-2995-4eba-b993-9c14befea09a could not be started, Details: Version: 5.0.0.1541

TrackingId: e28140af-054b-4ea3-848b-23ff5bfabe15, ServiceHost for Namespace: ssprdedicatedsbprodncu, Endpoint: c42c6655-bda0-4175-90ba-b6e48cacd561_8b979142-2995-4eba-b893-9c14befea09a is not running, Details: Version: 5.0.0.1541

TrackingId: e28140af-054b-4ea3-848b-23ff5bfabe14, Listener for Namespace: ssprdedicatedsbprodscu, Endpoint: c42c6655-bda0-4175-90ba-b6e48cacd561_034af243-8b70-4a13-95fe-678a824f6943 offline Event. Last error encountered Microsoft.ServiceBus.RelayNotFoundException: Relay must be created at this address before using the binding with IsDynamic set to false. TrackingId:82abab71-87ed-4e40-a0a6-396b614a22bb_G14, SystemTracker:ssprdedicatedsbprodscu.servicebus.windows.net:c42c6655-bda0-4175-90ba-b6448cacd561_034af293-8b70-4a13-95fe-678a824f6944, Timestamp:1/8/2018 8:58:54 AM —> Microsoft.ServiceBus.Messaging.Amqp.AmqpException: Relay must be created at this address before using the binding with IsDynamic set to false. TrackingId:82abab71-87ed-4e40-a0a6-396b614a22bb_G14, SystemTracker:ssprdedicatedsbprodscu.servicebus.windows.net:c42c6655-bda0-4175-90ba-b6e48cacd561_034af293-8b70-4a13-95fe-678a824f6944, Timestamp:1/8/2018 8:58:54 AM
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
at Microsoft.ServiceBus.Messaging.Amqp.AmqpObject.OpenAsyncResult.End(IAsyncResult result)
at Microsoft.ServiceBus.Messaging.Amqp.AmqpObject.EndOpen(IAsyncResult result)
at Microsoft.ServiceBus.Messaging.Amqp.DuplexAmqpLink.OnOperationComplete(AmqpObject link, IAsyncResult result, Boolean isOpen)
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Microsoft.ServiceBus.Common.AsyncResult.End[TAsyncResult](IAsyncResult result)
at Microsoft.ServiceBus.Messaging.Amqp.AmqpObject.OpenAsyncResult.End(IAsyncResult result)
at Microsoft.ServiceBus.Messaging.Amqp.AmqpObject.EndOpen(IAsyncResult result)
at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Microsoft.ServiceBus.AmqpRelay.ConnectTask.<Start>d__5.MoveNext()
— End of inner exception stack trace —
at Microsoft.ServiceBus.RelayedOnewayListener.RelayedOnewayAmqpListenerClient.AmqpRelayedConnection.Open(TimeSpan timeout)
at Microsoft.ServiceBus.RelayedOnewayListener.RelayedOnewayAmqpListenerClient.GetOrCreateConnection(Uri via, TimeSpan timeout)
at Microsoft.ServiceBus.RelayedOnewayListener.RelayedOnewayAmqpListenerClient.Connect(TimeSpan timeout)
at Microsoft.ServiceBus.RelayedOnewayTcpClient.EnsureConnected(TimeSpan timeout, Boolean isRetry), Details: Version: 5.0.0.1541