Configure .Net Application to call Microsoft Graph in a National Cloud Tenant

When authenticating with Azure and making a Microsoft Graph request, for commercial tenants, this is all done with the .com endpoints ( https://login.micorosoftonline.com/… and https://graph.microsoft.com ) and your token audience is for the .com endpoint as well. However, when performing the requests against a National Cloud tenant, you must use the appropriate endpoints. In this article, I will show you how to configure the Microsoft Graph .Net SDK in a…

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How to get and display the user photo with Graph SDK for .Net in a WPF application

Occasionally, we get requests asking how to get the user photo using the Graph SDK. This blog post will show you how to do that in a WPF application but I will also show you a method for getting the photo and saving it to disk with a .Net console application. You can download the sample project here: https://github.com/RayGHeld/GraphClient_GetUserPhoto This project also utilizes the Authentication Provider code in this blog…

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Implement Client Credentials flow for Graph Java Client

In my previous article , I showed you how to modify our great Graph Client for Java sample to add some additional options for things like filtering, setting the max retries for 429 errors, etc.  That sample uses the Oauth2 Device Code flow.  In this article, I will show you how to convert that and use the Client Credentials Flow.  Although, you will not be able to retrieve the same…

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Configuring Options and MaxRetries for Graph Java Client

We have a great Java Graph SDK sample in our tutorial document located here.  Pay special attention to the versions as not having the correct version of the prerequisites will give you difficulty! The sample will run a console application and uses the Oauth2 Device Code flow for authentication.  Once it compiles and runs, you will get a message like this for the device code flow sign in:  “To sign…

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Graph Client Authentication Provider

The Graph Client Authentication Providers allows for each authentication to the graph endpoint implementing a variety of OAUTH2 flows.  I will demonstrate the use of this library in c# code based on this GitHub. Previously, you had to build your own Authentication Provider ( see my creation of the client credentials provider in a vb.net application here ) .  This library will allow you to use the following flows: Confidential…

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Using the GraphClient SDK in a VB.Net Console Application

In this blog post, I will show you how to use the GraphClient in a VB.Net application. You will need to create an app registration for this project. I used the exact same app registration that I used in my previous VB.Net blog post here. SDK Reference: https://docs.microsoft.com/en-us/graph/sdks/sdks-overview?view=graph-rest-1.0 I am using Visual Studio 2019 in this example. To begin, please start a VB.Net Console application and then install the following…

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How to Use the .Net Microsoft Graph SDK to Get Users and Get Next Page of Results

Introduction This post will explain how to use the .Net Microsoft Graph SDK in order to get users. This article is assuming that you have already gotten an Access Token using ADAL .NET. In order to learn more on how to get the Adal .NET token, please reference : How to Use the ADAL .NET library to Acquire a Token Interactively in a Console Application (Authorization Code Flow) Link Warning…

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Using Postman to call the Microsoft Graph API using Authorization Code Flow

Introduction This article will help guide you through utilizing Postman to call a Microsoft Graph Call using the authorization code flow. This is part of a 5 part blog on accessing the Microsoft Graph API utilizing grant types : authorization code, implicit flow, client credentials, password, and refresh token flow. We will be utilizing the same Microsoft Graph call to reduce extraneous details on having to include setting up and…

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