Event ID 23 — KDC Service Availability
Applies To: Windows Server 2008 R2
A Kerberos Key Distribution Center (KDC) is a network service that accepts requests for tickets from Kerberos clients, validates their identity, and grants tickets to them.
|Product:||Windows Operating System|
|Message:||The KDC received invalid messages of type %1.|
This is a normal condition. No further action is required.