HttpClient fails to authenticate via NTLM on the second request when using the Sharepoint REST API on Windows Phone 8.1
问题 Sorry for the long title, but it seems to be the best summary based on what I know so far. We’re currently working on a Universal App that needs to access some documents on a Sharepoint server via the REST API using NTLM Authentication, which proves to be more difficult than it should be. While we were able to find workarounds for all problems (see below), I don’t really understand what is happening and why they are even necessary. Somehow the HttpClient class seems to behave differently on