22088607: Attempt to install enterprise build over app store build does nothing

[openradar-mirror]

Description

Summary:
Attempting to install an enterprise build over the top of an App Store build does not work. Phone console throws an error.

Steps to Reproduce:
Install an app store app and then make a build of the same app using an enterprise profile. Upload the profile to a server and configure a .plist so that the phone can visit and download. When visiting the file to download the console just throws

Jul 31 09:16:44 iPod-Touch-iOS-8-MC itunesstored[107] : ExternalDownloadManifest: Skipping download and install of: org.redcross.gdpcnewzealand

The phone offers no option to install and the requested app is not installed.

Expected Results:
App should install

Actual Results:
User is given no option to install and error is thrown in console

Regression:
This is happening on both and iPhone 6 and iPod Touch running iOS 8.4

Notes:
Installing IPA via Xcode devices window works as expected

Product Version:
Created: 2015-07-31 08:23:33.119170
Originated: 2015-07-31T09:23:00
Open Radar Link: http://www.openradar.me/22088607