You disable a user account so the user account cannot be used.
Using WebStation, you can create and administer user accounts.
You can also add a new user account to an already existing user group in the system. You can force users to change their password the next time they log on. Unused accounts can be disabled and saved for further use or they can be deleted from the system.
In WebStation, click System .
In the System pane, click Domains .
In the Domains pane, click the domain where the user is located.
Click Users .
In the Users pane, click the user.
In the Disable box, select True .
Click Save .