The Alert Center Log is a history of system-wide messages generated by the Alert Center. When you access the Alert Center Log, it displays messages generated during the time period selected at the top of the report.
Each entry shows the date logged, the message about the activity, and the severity of the entry.
Tip: You can sort data in the report by clicking a column title.
Filter by date:
Use the Date range list at the top of the report to select a time frame for the report. By default, the report displays log entries for the previous hour.
Filter by severity level:
Use the Filter by severity level list to select a logging level for the report.