{"action":"created","issue":{"url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/632","labels_url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/632/labels{/name}","comments_url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/632/comments","events_url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/632/events","html_url":"https://github.com/danialfarid/ng-file-upload/issues/632","id":62875951,"number":632,"title":"IE9 doesnot try resending file on 401","user":{"login":"asadaries","id":6483237,"avatar_url":"https://avatars.githubusercontent.com/u/6483237?v=3","gravatar_id":"","url":"https://api.github.com/users/asadaries","html_url":"https://github.com/asadaries","followers_url":"https://api.github.com/users/asadaries/followers","following_url":"https://api.github.com/users/asadaries/following{/other_user}","gists_url":"https://api.github.com/users/asadaries/gists{/gist_id}","starred_url":"https://api.github.com/users/asadaries/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/asadaries/subscriptions","organizations_url":"https://api.github.com/users/asadaries/orgs","repos_url":"https://api.github.com/users/asadaries/repos","events_url":"https://api.github.com/users/asadaries/events{/privacy}","received_events_url":"https://api.github.com/users/asadaries/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":11,"created_at":"2015-03-19T04:59:07Z","updated_at":"2015-11-18T13:41:19Z","closed_at":"2015-09-26T19:33:41Z","body":"Hi\r\n\r\nI have a situation where i need to upload a file to server which is protected by Window authentication, everything works fine untill sometimes i get a 401 while uploading a file, and problem with IE is that it does not negotiate with server to send an authenticated request to upload file, as in chrome it retries sending file with proper authorization header and finally uploads the file. Is there any fix for this in IE9+?"},"comment":{"url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/comments/157716396","html_url":"https://github.com/danialfarid/ng-file-upload/issues/632#issuecomment-157716396","issue_url":"https://api.github.com/repos/danialfarid/ng-file-upload/issues/632","id":157716396,"user":{"login":"martinoss","id":2587942,"avatar_url":"https://avatars.githubusercontent.com/u/2587942?v=3","gravatar_id":"","url":"https://api.github.com/users/martinoss","html_url":"https://github.com/martinoss","followers_url":"https://api.github.com/users/martinoss/followers","following_url":"https://api.github.com/users/martinoss/following{/other_user}","gists_url":"https://api.github.com/users/martinoss/gists{/gist_id}","starred_url":"https://api.github.com/users/martinoss/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/martinoss/subscriptions","organizations_url":"https://api.github.com/users/martinoss/orgs","repos_url":"https://api.github.com/users/martinoss/repos","events_url":"https://api.github.com/users/martinoss/events{/privacy}","received_events_url":"https://api.github.com/users/martinoss/received_events","type":"User","site_admin":false},"created_at":"2015-11-18T13:41:19Z","updated_at":"2015-11-18T13:41:19Z","body":"Same issue here with IE 11. As an ugly workaround, doing a dummy rest-call just before upload does the trick. Still looking for a better solution."}}