Invalid License error for cPanel.

1. Check the validity of the license at

If it is valid:

2. Login to ssh.

3. Make sure that port 80 is open to contact cPanel license server and your server’s hostname is a FQDN (Fully Qualified Domain Name).

4. Stop the firewalls running in the server and run the below command.


This should update the correct license.
Go ahead playing with WHM!