Attempting to run two active scanners on a single Professional license. Step-by-Step Solutions 1. Reset via the Tenable Community Portal (Recommended)
C:\Program Files\Tenable\Nessus\nessuscli.exe fix --reset macOS: /Library/Nessus/run/sbin/nessuscli fix --reset nessus license already in use
To avoid this headache in the future, always perform a before wiping a machine. Attempting to run two active scanners on a
It’s a common scenario. You’re spinning up a new pentest, rebuilding a lab, or migrating to a new server. You have your activation code ready, but Tenable’s server is rejecting it. rebuilding a lab