Server log levels

The level of logging defines how detailed the server log is. A lower level, such as Unusual Activity, provides more detail because multiple types of events are logged.

Level	Writes an event to the log when:
Severe Error (1)	A severe problem or critical condition occurs, such as a server failure.
Error (2)	An error condition occurs, such as a failed connection attempt.
Warning (3)	A warning condition occurs, such as the server not starting as an NT service.
Unusual Activity (4)	Unusual activity occurs, such as a user trying to log in with an incorrect username.
Information (5)	Any significant action occurs, such as a user action timing out.

Note:  Events for the selected level and all higher levels are logged. If you select Unusual Activity, the server logs all severe error, error, warning, and unusual activity events.