Nessus Offline Activation License Already In Use [verified]

They will manually run a database query on Tenable’s backend to disassociate the activation code from the stale Challenge Code. This takes 24–48 hours for Standard support, 2–4 hours for Premium.

Common causes of the error

: Select your product type (e.g., Nessus Professional) and click Manage Product next to the specific license. Perform Reset : Click the Reset Product Activation link. nessus offline activation license already in use

Nessus Professional licenses are typically node-locked. You can’t activate the same license on two different hosts without deactivating the first one. They will manually run a database query on

Once the code is reset, you can proceed with the standard offline activation steps: nessus offline activation license already in use