INT 2F - License Service API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. - INSTALLATION CHECK AX = 7000h CX = license server index (0000h to 001Fh) Return: AL = status 00h not installed FFh installed Notes: The License Service API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. is being maintained by Microsoft but is being supported by a large number of companies including Apple, Banyan, DEC, HP, Lotus, Microsoft, Novell, Software Publishers Association, and Wordperfect (not a complete list!) Each license service provider must search for the next free index slot to use SeeAlso: AX=7001h,AX=7003h,AX=7004h,AX=7005h