Assume that you use the Google Chrome browser to surf a dial-in conferencing webpage in a Microsoft Lync Server 2013 environment. When you click the Sign in link on the page, you access the form authentication page. However, the form authentication page cannot enable you to sign in by using Integrated Windows Authentication (IWA). To sign in, you have to enter your credentials.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.