The error messages is:
Connection: "Server Name"
Time: Day, Month, 2011 00:00:00 PM
Severity: High
Memory - Page Life Expectancy: The buffer cache page life expectancy is 1 seconds.
Adjusting thresholds may not solve the problem. The buffer cache page life expectancy alarm indicates a performance problem: Microsoft recommends 300 seconds as minimum value, while here the alarm reports 1sec page life expectancy!
Commonly this alarm indicates insufficient memory SQL Server can work with.
