problem in the user manager session

RouterOS The User Manager
1

Hi,

have problem in the user manager session , when the server failed or the electricity cut the users that were in the session cannot come back after the server is working
How can I solve this problem
I use MikroTik 5.21

Please help me

:question:

2

and i have problem duplicate status in usermanager session, example like this
http://www.forummikrotik.com/beginner-basics/22784-tab-session-di-userman-ver-5-erorr.html

i use ROS v 6.4