Health Overview Dashboard

Tenable provides the Health Overview dashboard to administrator users by default. For more information, see View a Dashboard.

Widget	Action
Application Configuration Health What is the health of my application configuration?	View information about the health of your application with the following checks: License Expiration Warning — When a Tenable Security Center license expires, you may not be able to update plugins, receive Feed updates or access the tool. Percent Licenses Used — When a Tenable Security Center console reaches it's license limit, scans of additional assets will not be imported. SMTP Configured — If misconfigured, invalid SMTP settings will prevent Tenable Security Center from being able to send emails notifying users of events. Maximum Recommended NNM Imports Per Day (200) — Nessus Network Monitor job imports should be managed to reduce impact on other scan imports. Maximum Recommended Nessus Scanners (250) — You may experience degraded performance when a large quantity of Nessus Scanners are attached to Tenable Security Center. Maximum Recommended Repositories (200) — You may experience degraded performance when a large quantity of Repositories are configured in Tenable Security Center. See the Tenable Security Center Large Enterprise Deployment Guide for more information. Maximum Recommended Scan Zones (100) — You may experience degraded performance when a large quantity of Scan Zones are configured in Tenable Security Center. See the Tenable Security Center Large Enterprise Deployment Guide for more information. Passive Activation Code Configured (Requires Tenable Security Center+ license) — Tenable Security Center+ consoles should have a passive activation code applied. This allows usage of Nessus Network Monitor Sensors for more than Asset Discovery.
Repository Size Warning What is the size of each of my repositories?	View information about the size of your repositories.
Job Queue Health Summary What is the health of my job queue?	View information about the health of your job queue: Job Delay — Jobs that have been delayed by more than an hour since their scheduled run time. Pending Jobs — Jobs that are scheduled to run in the future. If too many jobs are scheduled, you may experience delays in processing vulnerability data, generating reports, or other processes.
Refine Scan Zone Scope What is the size of each of my scan zones?	View information about the size of your scan zones.
Job Queue Delay Details Why were there delays in the job queue?	View information about delays in the job queue.
Scan Zones with Overlap Do I have scan zones that overlap each other?	View information about the size of your scan zones, and whether they have overlapping boundaries.
Non-Working Scanners Are there any non-working scanners in my configuration?	View information about non-working scanners in your scan zones.
Maximum Recommended Scanners in a Zone What is the maximum number of scanners I should have in my scan zones?	View information about the maximum suggested number of scanners for each of your scan zones.
Nessus Agent Managers as Network Scanners Are there any Nessus Agent Managers being used as Network Scanners?	View a list of Nessus Agent Managers currently configured to use as Network Scanners.
Degraded Scan Zones Which scan zones have non-working scanners?	View information about scan zones with non-working scanners.
Nessus Agent Managers Not Using API Authentication Are there any Nessus Agent Managers not configured to use API authentication?	View a list of Nessus Agent Managers not configured to use API keys.
Large Asset Lists Are there any large asset lists that may contribute to performance issues?	View lists of assets with more than 20,000 characters.

Widget

Action

Application Configuration Health

What is the health of my application configuration?

View information about the health of your application with the following checks:

License Expiration Warning — When a Tenable Security Center license expires, you may not be able to update plugins, receive Feed updates or access the tool.
Percent Licenses Used — When a Tenable Security Center console reaches it's license limit, scans of additional assets will not be imported.
SMTP Configured — If misconfigured, invalid SMTP settings will prevent Tenable Security Center from being able to send emails notifying users of events.
Maximum Recommended NNM Imports Per Day (200) — Nessus Network Monitor job imports should be managed to reduce impact on other scan imports.
Maximum Recommended Nessus Scanners (250) — You may experience degraded performance when a large quantity of Nessus Scanners are attached to Tenable Security Center.
Maximum Recommended Repositories (200) — You may experience degraded performance when a large quantity of Repositories are configured in Tenable Security Center. See the Tenable Security Center Large Enterprise Deployment Guide for more information.
Maximum Recommended Scan Zones (100) — You may experience degraded performance when a large quantity of Scan Zones are configured in Tenable Security Center. See the Tenable Security Center Large Enterprise Deployment Guide for more information.
Passive Activation Code Configured (Requires Tenable Security Center+ license) — Tenable Security Center+ consoles should have a passive activation code applied. This allows usage of Nessus Network Monitor Sensors for more than Asset Discovery.

Repository Size Warning

What is the size of each of my repositories?

View information about the size of your repositories.

Job Queue Health Summary

What is the health of my job queue?

View information about the health of your job queue:

Job Delay — Jobs that have been delayed by more than an hour since their scheduled run time.
Pending Jobs — Jobs that are scheduled to run in the future. If too many jobs are scheduled, you may experience delays in processing vulnerability data, generating reports, or other processes.

Refine Scan Zone Scope

What is the size of each of my scan zones?

View information about the size of your scan zones.

Job Queue Delay Details

Why were there delays in the job queue?

View information about delays in the job queue.

Scan Zones with Overlap

Do I have scan zones that overlap each other?

View information about the size of your scan zones, and whether they have overlapping boundaries.

Non-Working Scanners

Are there any non-working scanners in my configuration?

View information about non-working scanners in your scan zones.

Maximum Recommended Scanners in a Zone

What is the maximum number of scanners I should have in my scan zones?

View information about the maximum suggested number of scanners for each of your scan zones.

Nessus Agent Managers as Network Scanners

Are there any Nessus Agent Managers being used as Network Scanners?

View a list of Nessus Agent Managers currently configured to use as Network Scanners.

Degraded Scan Zones

Which scan zones have non-working scanners?

View information about scan zones with non-working scanners.

Nessus Agent Managers Not Using API Authentication

Are there any Nessus Agent Managers not configured to use API authentication?

View a list of Nessus Agent Managers not configured to use API keys.

Large Asset Lists

Are there any large asset lists that may contribute to performance issues?

View lists of assets with more than 20,000 characters.