We encounter an issue with Safari 5.x in Windows 7 as explained in this question, "Postback is not working in Safari in Windows 7" We thought it is a ViewState issue as many people encountered this before. But after reviewing too many sources, it seems that Safari 5.x has some issues with Windows Authentication in Windows as explained in these links Problems with Safari 5.1 in Asp.Net Windows Authentication
Problem using Windows authentication in Safari5.1
Safari 5.1 & Windows authentication broken with modal dialog Is that true that Safari 5.x has issues with Windows Authentication? If so, how to resolve it? Any idea?
Problem using Windows authentication in Safari5.1
Safari 5.1 & Windows authentication broken with modal dialog Is that true that Safari 5.x has issues with Windows Authentication? If so, how to resolve it? Any idea?