Event ID 4400 — NPS and Domain Controller Communication
Updated: February 21, 2008
Applies To: Windows Server 2008
Network Policy Server (NPS) contacts domain controllers to perform authentication and authorization for connection requests received from configured RADIUS clients. If NPS cannot contact domain controllers, it cannot perform authentication and authorization, and network access authentication will fail.
|Product:||Windows Operating System|
|Message:||A LDAP connection with domain controller %1 for domain %2 is established.|
This is a normal condition. No further action is required.