You use a computer that has a default installation of Microsoft Dynamics NAV Server. You
need to add a new user to the Microsoft Dynamics NAV database. Which tool should you
use?
A.
Windows client
B.
Microsoft Dynamics NAV Development Environment client
C.
Windows PowerShell
D.
Microsoft Dynamics NAV Server Administration tool
A & C is also possible for create a user but i also prefer C. powershell as for the default installation
http://win-ut9o2o93cc3:49000/main.aspx?lang=en&content=tskCreateNAVUsers.htm