4.1 OpenVMS Galaxy Licensing Requirements The following list summarizes OpenVMS Galaxy licensing requirements: * One OpenVMS Operating System License for a Galaxy system * One SMP Extension License for each CPU after the first CPU * One OpenVMS Galaxy License for each CPU in a Galaxy system * No changes to how Compaq layered products are licensed: One capacity license per system One user license per use The following sections describe these requirements in more detail. 4.1.1 OpenVMS Operating System License When an AlphaServer system is configured as an OpenVMS Galaxy system, there are no changes in how a system is licensed for the OpenVMS operating system. One OpenVMS Base License is required for the Galaxy sys- tem, plus one SMP Extension License for each CPU after the first CPU. 4.1.2 OpenVMS Galaxy License In order to create and run multiple instances, one OpenVMS Galaxy License is required for each CPU in a Galaxy system. License rights for running a single-instance Galaxy on any Alpha system are provided by the OpenVMS Base License. 4.1.3 OpenVMS Layered Products License Compaq software layered products on OpenVMS Galaxy con- figurations continue to use standard license types: Traditional, Concurrent Use, and Personal Use. * One Traditional capacity License will continue to li- cense the system, regardless of the number of instances. The license is based on the system class of the hardware system. * Concurrent Use Licenses will continue to license one concurrent use of the product. * Personal Use Licenses will continue to license one named user on the system.