Free disk space for drive V:\ is below the configured limit of 4 percent. 3.31 percent of disk space (985 Mb) are currently available on drive V:\.
This event is logged by EventSentry when the disk space is below the percentage limit set. You can set limits both in Mb/Gb and percent.
You can configure this feature at "Packages -> System Health Packages -> Package Name -> Disk Space -> Limits"