Role center in Ax 2012


I have created a role called as Mecoms Sales Representative and have assigned some duties and privileges on it. Now I want an user let say Kalpna to be attached to this role. for this user with the MEcoms sales representative role I want to create a role center page . I have created all these three things and I am able to see that role center page in browser for my user but wen I tried opening the home page in AX application I am able to see some different role center page. suggest me some solution.