Privacy settings for Internet zone
The Privacy Setting requirements for your Browser are 'Medium' and below. The setting of 'Medium / High' does not allow for the tracking of users through the application and thus attempts to use the Application with these Higher security setting will cause the end-user to be continually kicked out.
Click on 'Tools' in Internet Explorers toolbar and
Choose 'Internet Options...'
Click on 'Privacy tab' and move the slider to Medium, then click 'Ok'