I have an ASP.NET 2.0 web application. Cookies worked fine on all browsers on windows server 2008 for several years.
We upgraded to a new server with windows server 2012(IIS8), the first day during testing cookies were not being set in firefox so we could not login(not sure about chrome). Next day, with no changes, it seemed to all work OK.
Fast forward another month or so, firefox and chrome will not set the cookies (looking in chrome dev tools and firebug) but its still working in IE and I can see the cookie set in IE dev tools.
Cookie values are being set though
HttpContext.Current.Response.Cookies[][]
Does anyone have any clue why this might be, or where I should start trying to diagnose this issue?