I'm getting this error whenever I try to send a push notification to a Nokia WP7 device. Other push URI's don't return this error but with this one, every try failed, even when the phone is "awake" and with wi-fi on.
Checking MSDN docs, I came to this:
http://msdn.microsoft.com/en-us/library/ff941100(v=vs.92).aspx
The device is in an inactive state. The web service may re-attempt sending the request one time per hour at maximum after receiving this error. If the web service violates the maximum of one re-attempt per hour, the Push Notification Service will de-register or permanently block the web service."
Which didn't help much, as all I can do is honor the "retry after 1 hour" and try to send again. I suspect that it can be related to the device never had a SIM card in it and therefore could not "activate" but, if this is true, why does MSPN returned a push URI for the app?
Thanks in advance