Int 2F Fn 7004  - License Service API - Get Error                          [N]

   AX = 7004h
   CX = license server index (0000h to 001Fh)
   DS:DX -> SLSGETERROR structure (see below)
   ES:BX = provider specific handle for the license context

Return: AL = status
       00h not installed
       FFh installed

See Also: AX=7000h,AX=7001h

Format of SLSGETERROR structure:
Offset Size    Description
 00h   DWORD   (return) status code
 04h   DWORD   handle identifying license context
 08h   DWORD   error code
 0Ch   DWORD   buffer size in bytes
 10h  N BYTEs  data buffer