Domain Controller Server Is Not Operational

The error stops you from accessing that particular service or setting.

Domain controller server is not operational. In this scenario your receive the. Windows server 2012 data center windows server 2012 standard windows server 2016. If you have multiple domain controllers you can connect with the active directory users and computers tool to another domain controller that has port 389 open without receiving an error message.

The server is not operational. The server is not operational domain controller configuration error when you configure a server by using server manager. But you cannot access a domain controller until port 389 is opened.

If you are trying to access services or performing any operation then you get this error. For the domain contoso where the affected domain controller is dc1 and a working domain controller is. Alternatively they could ve named this knowledgebase article why you need to domain join proposed replica domain controllers first in active directory in windows server 2012.

An active directory domain controller could not be contacted this error is dns related. Microsoft introduced knowledgebase article 2738697 with the title the server is not operational domain controller configuration error when you configure a server by using server manager. The server is not operational is a windows server error.

Make offline or non functioning domain controllers operational. The major cause behind this issue is ntlm authentication. If the ntlm authentication has been disabled whether it is domain or domain controller then most likely this.

Domain controllers hosting ad integrated dns zones should not point to a single domain controller and especially only to themselves as preferred dns for name resolution. Consider the following scenario. I ve put together a few steps for you to follow to fix this error and get your computer joined to your domain.