Yes. smartflex™ Viewer and Onsite are local applications and use the Internet Explorer (IE) settings. In Internet Explorer on the Tools menu -> Internet Options -> Connections TAB -> LAN Settings button -> place a check mark in "Bypass proxy server for local addresses" box. The "Secure" settings must also be configured to license smartflex™ products, and generate the Dynamic Reports included in Viewer. In Internet Explorer on the Tools menu -> Internet Options -> Connections TAB -> LAN Settings button -> Advanced button -> add the appropriate "Secure" value for "Proxy address to use" and "Port".