Only getting 100 Mbps per user from a 200 Mbps link

RouterOS General
2

Are you using latest version? 6.30.3 ?

Do you have FastTrack enabled ?

http://forum.mikrotik.com/t/fasttrack-new-feature-in-6-29/87517/1
if not reste to default with 6.30+ version and it will be in default config