Ever heard of the Web Interface Session Sharing Key? Probably not but my guess is some companies are having issues with it without knowing. Of course they see sessions are not sharing and even open different sessions on the same XenApp server. I wrote an article about Understanding Citrix Seamless Engine some years ago and the article explains sharing issues with published applications but the Web Interface session sharing key is another story that I will explain here.

The Session Sharing Key plays a role when:

• Using a Web Interface site and the online/offline plug-in at the same time
• Using a Web Interface site to launch a session Desktop and within the online/offline plug-in
• Using a Web Interface site to launch a VM Desktop (xenDesktop) and within the online/offline plug-in

You are doing one of the above, then you should continue to read.