iOS wireless ad hoc distribution fails at the end of download with "Unable to download..." message

Question

iOS wireless ad hoc distribution fails at the end of download with "Unable to download..." message. I followed steps in the answer of here: iOS 4: wireless app distribution for in-house applications .

Any workaround?

Answer 1

I got solution. I did not downloaded Provisioning Profile. A new device should download proper Provisioning Profile before downloading the app.