You must be in the group of Network Administrator in order to manage the server.
Current People that have management right of server: Yang Ding Tim Wilson Admin (local account, hence have limited network admin capability but maximum server system management capability)
User Group Management
Spotlight search "Workgroup Manager"
It will ask for Address: Hyperion.local For the user name and password, you must use an network administrator account in order to login.
Once logged in, make sure below the row of buttons that says "Server Admin", "Accounts", "Preferences"... etc, it says "Authenticated as XXXXXXX to directory: /LDAPv3/127.0.0.1"
Only when you have this would you be able to edit the access list.
So far, it should list all the users currently have access to the CRIPT network.
Hit the "New User" button that's the 4th one from the left among the top row of buttons.
You need the "Name", and password.
Once hit SAVE... you would be able to create the account.
!Be careful, this page allows change of ALL member password so please keep it secure. In addition, make sure that you type the name correctly. Do not try to delete any account. It somehow leads to really weird problems.