Infopath - Edit in Browser + Close = "The form has been closed." Annoyed?

(12Hive)\TEMPLATE\FEATURES\IPFSSiteFeatures\FormServerEcbEntry\EcbEntry.xml

Refer

http://geek.hubkey.com/2007/01/infopath-forms-services-close-button_17.html

Forcefully Activate "IPFSSiteFeatures" feature scoped to WebApp.

iisreset / recycle the application pool.

It must take you back without the annoying page "The form has been closed."

Update your upgrade document to redo the changes after the upgrade as upgrade may reset this feature.