Error Logging In with live Connect Oauth2: invalid_grant The provided value for the 'redirect_uri' is not valid

Question

Hello,
I've been working with oauthwebsecurity to add a few identity providers to work with for authorization. But for some reason i can't get the Oauth2 protocol to work with windows live. I constantly get this error:
{"error":"invalid_grant","error_description":"The provided value for the 'redirect_uri' is not valid. The value must exactly match the redirect URI used to obtain the authorization code."}
I've checked the redirect_uri i send to the initial login request, and i get an access code back. but when i attempt to request the access token in the callback I get the error above even though the redirect_uri i send in the callback request is the same
as the initial log in request. any help or ideas would be appreciated.
Thx,
Ruud

Answer 1

Hello Ruud,
How are you? I just posted a similar problem, however, I vividly understand the process flow.  I believe this is a bad design and your can review my post entitled "Azure
Graph API oAuth 2.0 - redirect_uri required - bad design."  People are already starting to experience the problem and this wasn't required in the previous version.
I'd like to know Microsoft's feedback on this, particularly someone who has experience / insight into development.