Allow all users from a Windows group to log in

1. Select the 'Users' panel from the side-bar menu.
   
2. In the 'Authenticators' section, enable the Automatic Windows authentication method by checking its 'Enabled' checkbox.
3. Set the 'log-in-as' user for this authentication method via the drop-down list (optional).
   Note: users connecting via this method are subject to the properties of the 'log-in-as' user. By default, the 'defaultWindows' user is selected .
4. Click the 'Configure' link to the right, in order to enable logins for users who belong to a particular Windows group.
5. Click 'Add' and enter the name of either an Active Directory (AD) or a local group in the first column. Then click 'OK'.
   
6. Finally, click the 'Apply changes' button at the top right of the CompleteFTP Manager.