Event ID 15 — 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 request for an AS ticket for client %1 was forwarded to the PDC. An invalid response to this forwarded request was detected and could indicate an attempt to spoof your PDC. There may be additional information in the data field.|
This is a normal condition. No further action is required.