SAP HANA License management and keys are required to use HANA database. You can install or delete HANA License keys using HANA studio.
SAP HANA system supports two types of License keys −
Temporary License Key − Temporary License keys are automatically installed when you install the HANA database. These keys are valid only for 90 days and you should request permanent license keys from SAP market place before expiry of this 90 days period after installation.
Permanent License Key − Permanent License keys are valid only till the predefine expiration date. License keys specify amount of memory licensed to target HANA installation. They can installed from SAP Market place under Keys and Requests tab. When a permanent License key is expired, a temporary license key is issued, which is valid for only 28 days. During this period, you have to install a permanent License key again.
There are two types of permanent License keys for HANA system −
Unenforced − If unenforced license key is installed and consumption of HANA system exceeds the license amount of memory, operation of SAP HANA is not affected in this case.
Enforced − If Enforced license key is installed and consumption of HANA system exceeds the license amount of memory, HANA system gets locked. If this situation occurs, HANA system has to be restarted or a new license key should be requested and installed.
There is different License scenarios that can be used in HANA system depending on the landscape of the system (Standalone, HANA Cloud, BW on HANA, etc.) and not all of these models are based on memory of HANA system installation.
Right Click on HANA system → Properties → License
It tells about License type, Start Date and Expiration Date, Memory Allocation and the information (Hardware Key, System Id) that is required to request a new license through SAP Market Place.
Install License key → Browse → Enter Path, is used to install a new License key and delete option is used to delete any old expiration key.
All Licenses tab under License tells about Product name, description, Hardware key, First installation time, etc.