Activation License Already In Use | Nessus Offline

nessuscli.exe fetch --register-offline "C:\path\to\nessus.license"

and enter your reset activation code and the new challenge code. Apply License : Download the resulting nessus.license file and register it on the offline host using: nessuscli fetch --register-offline Key Constraints & Tips Permission Requirements : Only the Primary Contact or the assigned Product Owner can reset an activation code in the portal. One Host Only nessus offline activation license already in use

This is less technical but happens frequently with the "Nessus Essentials" (free) vs. "Nessus Professional" (paid) versions. nessuscli

: If moving to a new server, always deactivate the license on the old host first using nessuscli fetch --deactivate (if the old host is still accessible) to avoid needing a portal reset. nessus offline activation license already in use