In previous post , I mentioned on what need to be done by users in case the publsihed applications did not successfully launched in seamless mode. However, in some cases, users might not be able to see the option. This post will help to solve it. Issues : Session Settings preference is not listed in Citrix Web Interface web site. This is due to the option is not enabled. It can be checked at Citrix Web Interface Management Console. Troubleshooting Launch Citrix Web Interface Management Console . Browse to Citrix Web Interface > XenApp Web Sites . You will see lists of created Sites. Right click at the required farm URL. Choose S e ssion Preference This window will appeared. Browse to Remote Connnection > Display . You will see the option " Allow users to customize window size " is unchecked . Resolution : Check the option " Allow users to customize window size ", and press OK Get users to refresh the Web