WHMCS Tags support-departments Add support departments to your WHMCS installation. The first step when customers submit a support ticket is selecting a department. Add an admin account for each of your staff members. You can choose to set their credentials for the new admin or, in WHMCS 8.12 and later, you can send an invitation link. Custom fields collect additional information from or about your clients. You can set them as admin-only or make them visible to clients. Troubleshoot and resolve Access Denied - You are not assigned to any ticket departments errors. Troubleshoot and resolve Department Not Found errors. You can stop clients from being able to close support tickets on a per-ticket or per-department basis. Edit an existing admin. You can change their admin roles, permissions, and assigned departments.