When the current user count nears the number of user licenses available on the machine, it may be time to upgrade the license count on that particular system.
This alarm is raised when a process is terminated that was selected for diagnosis in the Windows Applications Metrics options in the Spotlight on Windows Options window.
This shows that the logical disk is filling up or is full.
To rectify this:
It is recommended that a backup of the system is taken before any files are moved or deleted.
The Disk Reads alarm is activated when the level of traffic being transmitted from this disk exceeds a threshold. Sustained high disk activity can cause an overall degradation of system responsiveness.
When this alarm is current you should look at:
If the high number of reads is causing an overall degradation of the system, consider upgrading the disk subsystem (controller and/or disks).