Licensing
      Back to home
      1. Portainer Knowledge Base
      2. Licensing

      Why isn’t my 3- license key working?

      Issue Description

      When attempting to enter your license key into Portainer Business Edition, that starts with 3-, you may encounter the following error message:

      License is invalid

      Cause

      This issue arises when using versions of Portainer 2.18.3 or older. These previous versions do not support the 3-  license key type.
       
      Fix
      To resolve this problem, upgrade your Portainer version to 2.18.4 or newer.
      Upgrade instructions