Update cPanel License
Before update your cPanel license, you can verify your IP server on this page License Verification
The new license will activate immediately. You will need to update the license file on the server by running the following command via SSH as the root user:
/usr/local/cpanel/cpkeyclt
Note: The information in this article is not applicable to cPanel Partners. cPanel Partners should contact Customer Service directly to inquire about license conversions.