Attempted to install the Azure AD Connect Tool on a Windows 2016 Domain Controller and configure Pass-Through Authentication. Received the following error..
Passthrough authentication enable - failed. Error NoRegisteredPtaConnectors
[21:13:23.307] [ 36] [ERROR] Unable to enable passthrough authentication. Error: NoRegisteredPtaConnectors
[21:13:23.308] [ 36] [ERROR] Failed to enable pass-through authentication. Error: Microsoft.Online.Deployment.PSModule.Utility.PassthroughAuthException: NoRegisteredPtaConnectors
at Microsoft.Online.Deployment.PSModule.Tasks.PassthroughAuth.ConfigurePassthroughAuth`1.Execute()