The user accounts for the Sun Web Console have to be created at the OS level of the N1 AA Server. Create the appropriate Solaris users by using standard Solaris commands. Every user added will be allowed to login to the Sun Web Console and therefore to N1 AA.
How to disable access on the OS-level, but still allow login to Sun Web Console.
There are many different ways for OS hardening. One option is to create OS users without a valid shell.
For example in the /etc/passwd file:
smithj:x:123456:1:Account for John Smith:/export/smithj:/bin/false.