License Key Types in SAP HANA

SAP HANA License and keys are required to use SAP HANA database. You can install or delete HANA License keys using SAP HANA studio and Like all SAP products,we need an valid license to run SAP HANA for production systems.

Types of License keys in SAP HANA :

SAP HANA system supports two types of License keys :

1> Temporary

2> Permanent -  Enforced and Unenforced

Temporary License Key − A temporary license keys is installed by default when you install the HANA database. These keys are valid only for 90 days and and upon expiration the HANA system is locked down so you should request permanent license keys from SAP market place before expiry .

Permanent License Key − SAP provides this license upon customer request ,known as permanent license. Permanent License keys are valid only till the predefine expiration date .Once expiration date period is over the license will get expired and a temporary license will be installed automatically for 28 grace period and During this period, you have to install a permanent License key again.

Permanent license keys are of two types for HANA system :

Unenforced − If unenforced license key is installed Then system will issue a warning message upon over usages of SAP HANA licensed memory amount but it will not get locked down, operation of SAP HANA is not affected in this case.

Enforced − this HANA license are based on the memory usage and 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.

Example : you can install a 1 TB memory HANA system but can only license it for 256 GB usage.If the system usage is increased over licensed amount then the system will locked down .

License Expire in SAP HANA

SAP HANA License Management

How to check if the installed HANA license is enforced or unenforced ?

Execute following query and if the "Enforced" column value is "False" then your license is not enforced.

SELECT EXPIRATION_DATE,ENFORCED,PERMANENT,LOCKED_DOWN FROM "SYS"."M_LICENSE";