How to Put single user restriction in MSD Axapta application

How to Put single user restriction in Axapta application

After writing code to restrict multiple user login you may face problem to login for admin group to resolve that problem you need to give full right for current client session table.

this will come on following path.

Navigation Pane -> Administration -> Setup -> User Group -> select user group ->
Permission -> Permission tab -> select viewing as SECURITY (INCL. WEB) ->
Administration -> Tables -> Current Client Sessions.