Validity Period of the SAP License Key
Use
SAP customers with rental or purchase contracts usually receive an unlimited license key for their systems. SAP customers with demonstration or test contracts receive a temporary license key that is valid for the agreed test period. When this period expires, you need to apply for a new license key.
If the license key expires or changes are made to your hardware platform, the standard license is no longer valid. In this case, you can use transaction SLICENSE to Install a Temporary SAP License. can then continue to work for four weeks with this temporary license key. During this time, you must apply for and install a new license key.
You can check the validity period of your license by logging onto the SAP system and reading the copyright (for fixed-period licenses) or by choosing .

