Adding user accounts to an internal security group

You can add only accounts of internal users to an internal security group.

To add user accounts to an internal security group:

In the main menu, go to Users & roles → Users & groups, and then select the Users tab.
Select check boxes next to user accounts that you want to add to a security group.
Click the Assign group button.
In the Assign group window that opens, select the security group to which you want to add user accounts.
Click the Save button.

The user accounts are added to the security group. You can also add internal users to a security group by using the group settings.