azure - UWP app after deploy not work (An error occurred while sending the request) -
- there development pc vs 2015. 
- in solution on uwp_app + webapp. 
- uwp success connect localhost webapp. 
- create vm win10 in azure. 
- deploy (copy) , start webapp - work edge chrome 
- create uwp package , deploy in vm 
- on httpclient.postasync "an error occurred while sending request" 
- create vm win10 (with vs2015 gallery) in azure 
- deploy (copy) , start webapp 
- create uwp package , deploy in vm 
- on httpclient.postasync "an error occurred while sending request" 
- run uwp vs - no error 
- next run no error too 
what that? how detect connection error?
by default app not allow loopback. checkbox in project properties in debug tab - not work.
checknetisolation loopbackexempt -a -n=< packagename >