You can also assign groups to users using the groups functionality in System Manager. To access Groups, on System Manager web console, click Groups & Roles > Groups.
Procedure
On the System Manager web console, click Users > User Management > Manage Users.
On the Manage Users page, perform one of the following steps:
To remove a group in the edit mode, select the user and click Edit.
To remove a group in the view mode, select the user and click View > Edit.
On the User Profile | Edit | <User Name> page, click the Membership tab.
In the Group Membership section, select the groups from which you want to remove the user and click Remove From Group.