This KB addresses issues that can occur when activating your license. After entering your license key you still receive the banner at the top of the page saying "Your license has not yet been activated.".
Resolution
This issue seems to occur when you are not logged in as the nagiosadmin account.
To resolve the issue please log in as the nagiosadmin account and re-enter your license activation key.
Final Thoughts
For any support related questions please visit the Nagios Support Forums at:
http://support.nagios.com/forum/
Article ID: 794
Created On: Wed, Dec 13, 2017 at 3:55 PM
Last Updated On: Wed, Dec 13, 2017 at 3:55 PM
Authored by: tlea
Online URL: https://support.nagios.com/kb/article/nagios-log-server-license-activation-issues-794.html