User policy

[Guest]

how i can make each user open one time...in more details how i can make not more than one user use same accout?

 

[Ijack]

how i can make each user open one time...in more details how i can make not more than one user use same accout?

If you are talking about domain logins from separate computers, have a look here. If you are talking about multiple logins on the same computer, I can only think that you need some hardware device, such as a fingerprint reader.