iTunes account creation not allowed when trying to test In-App Purchases

Question

I have an app in the App Store and I want to test in-app purchases. I followed the steps described on the Apple website but I\'m facing some problems.

When I try to

Answer 1

I had this issue. I tried changing existing Sandbox tester account password and tried to login on device...but didn't worked.

Even iPhone device restart didn't worked [last option that most developer follows ;-) ]

I thought it takes time to update this newly created Sandbox testing on DB. So left the login option as it is on device

Now, after launching app that contains In App purchase. Press on button that is responsible for In App purchase. This will prompt for Apple credentials. Enter the Sandbox tester credentials here.

Voila this worked for me!