Occasionally, the Server Health Monitor assigns the rating of Unknown. This happens when the Domino® Administration client workstation performs at 100 percent of its CPU capacity for an extended period of time. If this happens you may need to make some adjustments to improve the performance of the Server Health Monitor.

Server Health reports are stored in the Health Monitoring database (DOMMON.NSF).

Table 1. Overall server health ratings

Statistic	Rating	Explanation
0 = Health.Overall.Value	Never Seen	The server has never been seen running during the current server monitor session.
0 < Health.Overall.Value and Health.Overall.Value < Health.Overall.Threshold.Warning	Healthy	The server is performing within acceptable levels of tolerance.
Health.Overall.Threshold.Warning < = Health.Overall.Value and Health.Overall.Value < Health.Overall.Threshold.Critical	Warning	One or more server components are approaching unacceptable levels of poor performance.
Health.Overall.Threshold.Critical <= Health.Overall.Value and Health.Overall.Value <= 97	Critical	One or more server components are failing to perform acceptably.
98 = Health.Overall.Value	Critical	One or more server tasks issued a fatal error message.
99 = Health.Overall.Value	Critical	One or more tasks are not responding.
100 = Health.Overall.Value	Server Down	The server is not responding.

Overall health ratings are based, in part, on component health statistics values.

Table 2. Component health statistics

Statistic	Rating	Explanation
0 = Health.*.Value	Never Seen	The component is not being monitored.
0< Health.*.Value and Health.*.Value < Health.*.Threshold.Warning	Healthy	The component is performing within acceptable levels of tolerance.
Health.*.Threshold.Warning <= Health.*.Value and Health.*.Value< Health.*.Threshold.Critical	Warning	The component is approaching unacceptable levels of poor performance.
Health.*.Threshold.Critical <= Health.*.Value and Health.*.Value <= 97	Critical	The component is failing to perform acceptably.
98 = Health.*.Value	Fatal	The task associated with the component issued a fatal error message.
99 = Health.*.Value	Not Responding	The task associated with the component is not responding.

Related concepts
Server Health Monitor

Related tasks
Improving the performance of the Server Health Monitor

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