See if anything here helps:
http://eventid.net/display.asp?event...curity&phase=1
hth
DDS
"Kate Townsend" <> wrote in message
news:%...
> Hello,
>
> A few weeks ago, I started getting the following Failure Audit on the
> domain controller running Server 2003 R2 Standard Edition SP2:
>
> User: NT AUTHORITY\SYSTEM
> Source: Security
> Category: Account Logon
> Event ID: 675
> Pre-authentication failed:
> Service Name: krbtgt
>
> This failure is logged whenever a user logs in. However, the users are
> still able to log in and work successfully.
>
> Can someone tell me how to resolve this issue?
>
> Thank you in advance for your help.
>
>
>