NetApp
Configuration : System Tools > Licenses : Managing licenses : Enabling or disabling licenses
Enabling or disabling licenses
For systems running Data ONTAP 8.1 7-Mode, you can enable or disable certain licensed services, making them available or unavailable for the storage system.
About this task 
You cannot disable licenses for the disk sanitization features after you enable them.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
In the navigation pane, click Configuration > System Tools > Licenses.
3.
Select the licensed service that you want to enable or disable.
4.
Click either Enable or Disable, as appropriate.
Related reference 
Licenses window