This post has been republished via RSS; it originally appeared at: Microsoft Developer Blogs.Dev Consultant Brian Culver explores App Registration of .NET Applications in Azure AD. In my last post, I was testing the Beta Graph API to get my Teams Presence. The only real challenge I found was understanding the permissions and authentication needed to make it work. Now that we have validated that we are able to query the presence for the particular user, we proceed to building a tool to further validate the Presence API query and handling the various output. In preparation for our Windows .Net Forms application, we must Register our application in our Azure Active Directory admin center. Learn more about this here. Also to understand the difference between public and confidential client applications, go here. Both are good reading and will provide good background for App Registration options and impact. Continue reading on Brian's blog.