It seems the region locking Microsoft employed in the Xbox 360 also affects their video streaming apps.
What this means is while the app itself works fine with MyDNS, if your XBox is set to the wrong locale, the app will not work.
To fix this issue, please visit our knowledge base article on changing the Xbox 360 console region
If you are still having problems, please email us at firstname.lastname@example.org , and try to include any errors and a full description of the fault.
We'll get back to you as soon as possible.