Ad hoc distribution: App failed to install

Question

I have created an ad hoc archive and a .ipa file for the application I am trying to distribute. I have also created a distributing provisioning profile with the UDIDs of the de

Answer 1

I had the exact same issue. My issue was simple to fix. Check your Code Signing Identities for Project & Target in your project Build Settings. Mine were pointing to my Development Profile.

The Code Signing Identities need to point to the Ad hoc Distribution Profile that you created.
Make this change and then recreate the Archive and .ipa file. I then deleted the old App in iTunes, and then dragged the .ipa file onto the iTunes icon (Windows). Then I was able to use iTunes to install the App successfully.