License Keys for SAP HANA Database

The SAP HANA database supports two kinds of license keys: temporary license keys and permanent license keys

SAP HANA licenses can be installed for the system database (global) or for a single tenant database (local). Global licenses are for the system database and all the tenant databases, but a license installed in a tenant database governs only that tenant database. If you remove a tenant-specific license key, that tenant database reverts to the global license key installed in the system database.

Temporary License Keys
A temporary license key is automatically installed with a new SAP HANA system. A temporary license key is valid for 90 days. During this period, request and install a permanent license key.

Permanent License Keys
Permanent License Keys: Expiration
Before a permanent license key expires, request and apply a new permanent license key. If a permanent license key expires, a (second) temporary license key is automatically installed. This temporary license key is valid for 28 days. During this time, you can request and install a new permanent license key.

You can request a permanent license key on SAP Support Portal (http://support.sap.comInformation published on SAP site) under Request Keys. Permanent license keys are valid until the predefined expiration date. Furthermore, they specify the amount of memory licensed to an SAP HANA installation.

Permanent License Keys: Types
There are two types of permanent license key for SAP HANA: unenforced and enforced.

If an unenforced license key is installed, the operation of SAP HANA isn’t affected if its memory consumption exceeds the licensed amount of memory. However, if an enforced license is installed, the system is locked down when the current memory consumption of SAP HANA exceeds the licensed amount of memory plus some tolerance. If lockdown occurs, either SAP HANA needs to be restarted, or a new license key that covers the amount of memory in use needs to be installed.

The two types of permanent license key differ from each other in the following line in the license key file:

License Key Type License Key File Entry
Unenforced SWPRODUCTNAME=SAP-HANA
Enforced SWPRODUCTNAME=SAP-HANA-ENF
SWPRODUCTNAME=SAP-HANA-DEV
SWPRODUCTNAME=SAP-HANA-DIGITAL
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