OAuth2 flow – does the server validate with the Auth server?

I’ve been reading a lot on OAuth2 trying to get my head around it, but I’m still confused about something.

What’s the benefit of Azure ACS if ASP.NET 4.5 includes OAuth and OpenID providers? [closed]

Closed 9 years ago.

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I’m looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2).

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I’m looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2).

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I’m looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2).

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I’m looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2).

Switching between Azure Mobile Services vs my own implementation. Will UIDs change?

I’m looking at Azure Mobile Services, particularly the Authentication part (which I believe relies exclusively on OAUTH 1 or 2).

How to store OAuth2.0 tokens without any authentication logic on the backend

I was looking for some advice as I am tipping my toes into the world of web development, the question might be broader than the title suggests, so any tip that may be in a different direction is also appreciated.

Utilising Social Logins via OAuth2 in native mobile apps

This question has been asked over and over again, but I have not yet found a satisfying answer:

OAuth shared Authorization server for multiple apps

At my shop we have a couple .NET Web APIs that use OAuth tokens for authentication. Currently, each web API is both authorization and resource server. Users authenticate to all of these APIs using the same credential, but they currently need to authenticate to each API independently.