If you have Novell Upgrade Protection, you can upgrade to OES 2015 SP1 and the associated support packs, free of charge until your upgrade protection expires. After your protection expires, the OES 2015 SP1 upgrade link disappears from your account page.
For more information and to start the upgrade process, do the following:
Using your Novell account information, log in to the Novell Web Site.
Follow the instructions on the page to obtain the upgrade to Open Enterprise Server 2015 or later.