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You can use scanner groups to organize and manage the scanners linked to your Tenable.io instance. For example, you can add all sensors related to a specific geographical location to a group, for example, a group named "East Coast Scanners."
You can add a sensor to one or more scanner groups.
When you create a scan, you can select the scanner group to use to launch the scan. Tenable.io determines the scanner to use based on the following criteria:
- The scanner is active and has communicated to Tenable.io within the last 5 minutes.
- The scanner running is running the lowest number of active scans and is scanning the lowest number of hosts.
Note: If a remote scanner is part of a Scanner Group and is unlinked during its operations, the scan's operations complete, but Tenable.io does not include the unlinked scanner for future use.
For more information on Scanner Groups, see the following topics: