[Build 2019] Welcome to the world of Machine Learning with ML.NET 1.0

As i updated earlier, ML.NET is a free, cross-platform, and open source machine learning framework for .NET developers. It is also an extensible platform that powers Microsoft services like Windows Hello, Bing Ads, PowerPoint Design Ideas, and more. This session focuses on the release of ML.NET 1.0. If you want to learn the basics about…


[Build 2019] Machine learning with ML.Net

As i updated you earlier, ML.NET is a free, cross-platform and open source machine learning framework designed to bring the power of machine learning (ML) into .NET applications. As you aware that we’re in mid of Microsoft Build 2019 conference, where we joined by Cesar De La Torre Llorente who gives us a great overview…


Microsoft Graph API’s Beta version, developer guidance, support

Microsoft Graph API’s beta version, You need to be aware that beta version contains features that are currently in preview. You’re invited to try these APIs. Beta version is exposed under https://graph.microsoft.com/beta How to find if the feature is in beta or not, When you open the Graph API documentation, you will see the following…

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Machine Learning Developer – Anomaly detection using machine learning in Azure Stream Analytics

Azure Stream Analytics is a fully managed serverless offering on Azure. With the new Anomaly Detection functions in Stream Analytics, the whole complexity associated with building and training custom machine learning (ML) models is reduced to a simple function call resulting in lower costs, faster time to value, and lower latencies. Related articles/documentation: Anomaly Detection…


Office.js web add-in throws HTTP 401 Unauthorized

One of my dev customer, created Outlook Web add-in (using Office.js/JavaScript) and tried calling EWS call (mailbox.makeEWSRequestAsync method). It throws HTTP error 401 for mailbox.makeEWSRequsetAsync() method. They noticed the error or behaviour when they tested with Outlook on the Web and Outlook Web Access for devices. The API call throws, the following HTTP error: “The…


[Upcoming changes] Exchange Web Services API for Office 365

Exchange Web Services (EWS) was launched as a part of Microsoft Exchange 2007 as a SOAP based API that allows access to Exchange and Exchange Online data. Starting July 3, 2018, Exchange Web Services (EWS) will no longer receive feature updates. While the service will continue to receive security updates and certain non-security updates, product…


Azure/Office 365 Graph API developer: RefreshToken, AccessToken, IdentityToken

These are 3 common terms (Refresh Token, Access Token, Identity Token) in Azure/Office 365 Graph API Cloud developer world and we get tons of queries on this. So let me try to explain them in simple terms … Access Token:- The access token is attached to every REST API request in the authorization header. -…


Office.js: MakeEWSRequestAsync throws “The request exceeds the 1 MB size limit. Please modify your EWS request”

One of my customer created Outlook Web add-in (Office.js) and when he calls mailbox.makeEwsRequestAsync method. But they got the following error “The request exceeds the 1 MB size limit. Please modify your EWS request”. At the app level, the developer is making the call from web add-in to create a mail item in drafts folder…


Exchange Server –March 2018 quarterly updates released

The March quarterly release updates for Exchange Server are now available on the download center. We documented the detailed info @ EHLO blog – https://blogs.technet.microsoft.com/exchange/2018/03/20/released-march-2018-quarterly-exchange-updates/ Hope this helps.


Support policy statement for Microsoft Graph

As new versions of the Microsoft Graph REST APIs and Microsoft Graph SDKs are released, earlier versions will be retired. Microsoft will declare a version as deprecated at least 24 months in advance of retiring an API or an SDK. So Microsoft Graph too follows the Microsoft Lifecycle Policy. When we increment the major version…

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Debug EWS subscription error – You have exceeded the available subscriptions for your account

Recently i was investigating an issue reported by an app developer. They created a custom EWS (Exchange Web Services) application which tries to open streaming subscription to Exchange Server 2013 using EWS. It worked fine for a while and later they noticed the following error: You have exceeded the available subscriptions for your account. Remove…

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Office 365 Developer: Using People API with Microsoft Graph v1.0

Microsoft Graph provides access to useful people data. You can use the person resource and the People API to aggregate information about a person from across mail, contacts, and social networks. The results are ordered by their relevance based on multiple communication and collaboration patterns and business relationships. The API lets you browse, sort, select,…

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Use Microsoft Graph API to reach on-premises, cloud users of hybrid Exchange 2016

As you aware, Office 365 and Exchange Online provide a new way to work with email, calendars, and contacts. The Mail, Calendar, and Contact REST APIs provide a powerful, easy-to-use way to access and manipulate Exchange data. In this video, you will see Venkat, Principal Program Manager lead will walk you through how to use…

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Office 365 Graph Developer : Lets use Microsoft Graph Delta Query…

As you aware that Microsoft Graph provides a single API endpoint that gives you access to rich people-centric data and insights, via a number of resources like users and messages. Many applications need to keep track of what’s changing in these data sets, and we recently added support for delta query across a variety of…