I almost stopped trying Open Enterprise distribution after I encountered the FTP issue and when I am unable to progress trough it.
And recently, I found the Open Enterprise distribution present in the list of ready to intall distros in Pantheon while spinning a new site.
I tried installing the distro it has crossed the FTP issue because the FTP connections were already enables and there is nothing I need to enter for that.

But once I configured the distro successfully I tried to install the Apps that are available for OpenEnterprise distro. It said selected apps are successfully installed but when I click on the 'Apps' in the admin tool bar it popped the below error message. Am not sure if this has something to do with pantheon or if this is a Open Enterprise distro issue. I am posting this in both the places expecting anyone can help me resolve this.

"PDOException: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'public://apps/webform_screenshot_4.png' for key 'uri': UPDATE {file_managed} SET uid=:db_update_placeholder_0, filename=:db_update_placeholder_1, uri=:db_update_placeholder_2, filemime=:db_update_placeholder_3, filesize=:db_update_placeholder_4, status=:db_update_placeholder_5, timestamp=:db_update_placeholder_6 WHERE (fid = :db_condition_placeholder_0) ; Array ( [:db_update_placeholder_0] => 1 [:db_update_placeholder_1] => webform_screenshot.png [:db_update_placeholder_2] => public://apps/webform_screenshot_4.png [:db_update_placeholder_3] => image/png [:db_update_placeholder_4] => 7390 [:db_update_placeholder_5] => 1 [:db_update_placeholder_6] => 1351018788 [:db_condition_placeholder_0] => 28 ) in drupal_write_record() (line 7049 of /srv/bindings/d4ab00a3596b4dcfae5587d1c6a30c91/code/includes/common.inc). "