A user_activity is a user activity (logon or interactive activity).
Indicates the time between the user logging on and the desktop being shown.
User logon event identifier
Indicates the time between the user logging on and the device being ready to use. Desktops and laptops are considered fully functional once the CPU usage drops below 15% and the disk usage drops below 80%, and servers once the CPU usage of all processes belonging to the corresponding user drops below 15%.
Time of user logon
Activity event information