Problem with asp.net forms authentication in internet explorer

Question

My company has a web application hosted on a client\'s machine that uses forms authentication in ASP.net. When visiting the website http://www.client.com/Application and tr

Answer 1

Site I'm developing had similar problem loggin in with all IEs except only one that was run from Win 7.

The actual problem was that the host name i was using had underscores, which should not be used. Maybe some windows policy prevents from creating cookies for invalid hosts.