Firefox and Integrated Windows Authentication Posted on July 23, 2010 by devio In the Firefox address bar, type “about:config” Filter to “network.automatic” Edit the setting “network.automatic-ntlm-auth.trusted-uris” to include the web site requiring Windows Authentication. Found this solution here and here. Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Like this:Like Loading... Related