==== Install licenses ====

=== NetWeaver and S/4HANA license ===

  * Allows to monitor SAP NetWeaver and S/4HANA application platform: ABAP and JAVA stacks as well as portal
  * One license allows to monitor one system (SID), regardless the number of  application servers

=== SAP HANA ===

  * Allows to monitor standalone HANA database
  * One license allows to monitor one system (SID), regardless the number of nodes

=== SAP BusinessObjects ===

  * Allows to monitor SAP BusinessObjects 
  * One license allows to monitor one instance of BusinessObjects

==== Installation ====

  * From the admin menu, open the license section
  * This will display a table showing licenses already registered
  * Copy and paste your license key and press Apply license key
  * A key will define the following:
    * How much systems can be monitored
    * The Pro.Monitor instance on which it is allowed to run (identified by IP)
    * A validity period
  * Once the key is applied, you will be allowed to create connectors of the associated types
  * If a license becomes invalid because it has expired or is not matching the instance IP, the monitoring will stop

**CAUTION : __If you delete a key, all associated connectors will be removed from the configuration__**

**NOTE** : Only instance with primary server role (see instance roles) need to have a license installed

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