|Product:||Windows Operating System|
|Message:||Logon attempt by: %1 Logon account: %2 Source Workstation: %3 Error Code: %4|
A set of credentials was passed to the authentication system on this computer either by a local process or by a remote process or user.
Success or failure is displayed in the message. If this event indicates success, then the credentials presented were valid. The error code is 0x0 for success messages. For failure messages, the user field in the message header displays NT AUTHORITY\SYSTEM, and an NTStatus code is displayed. The following is a list of the most common failure status codes and their meanings.
No user action is required.