issue driver tape msl2024 on window 2012 r2

hello everybody,
i'm implementing hp data protect 8.1 on window server 2012.i already downloaded and indtalled driver for tape msl2024 (02 drive fc) from hp site. affter reboot server, i see in devices manage have tape drive and medium changer. but when i run command devbra -dev. it show 02 drive : n/a ,0 slot, 0 cardtrig
and hp data protect show no drive found when i chose automatic config devices.
this issuse very trouble. any body please help me
thanks