SAP LicensesFor managing the SAP licenses, the following tools are available as standard.
To use your ABAP
systems successfully, they must be assigned with lasting SAP license keys, as
described in
SAP License
Keys.
More information: SAP Service Marketplace under the Quick Link licensekeys.

service.sap.com/licensekeys
Documents how you request and import a license key for AS Java.
More information: SAP Service Marketplace under the Quick Link licensekeys.

service.sap.com/licensekeys
With the measurement program (transaction USMM), you can ascertain the number of users and used engines of the SAP software for each system. You can then pass the measurement results to SAP.
More information:
System
Measurement, and in the SAP Service Marketplace under the alias
licenseauditing.
service.sap.com/licenseauditing
Using the License
Administration Workbench, you can consolidate the measurement results of one
or more systems, as described in
License Administration
Workbench. You can then pass the consolidated measurement results to SAP.
More information: SAP Service Marketplace under the Quick Link licenseauditing.

service.sap.com/licenseauditing
Documents licensing for customers that sell services to other companies.