Solved !
When enable and disable service it was start to work … but
there is again error “mikrotik userman your session has been reset due to inactivity” when accesed with Mozila firefox … with Internet explorer work normaly 
discrabed here http://forum.mikrotik.com/t/user-manager-error-your-session-has-been-reset-due-to-inact/57070/1