Cloud developer guidance: Microsoft Graph or Azure AD Graph?

This is one of the frequent query which i come across. whenever i talked to my app developer customers community. They wanted to know whether they should be using Microsoft Graph (developer.microsoft.com/graph) or Azure AD Graph (graph.windows.net); also i see good number of discussion threads talking the same. In order to conclude this and provide…

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Understand more about Office.js, it’s add-in runtime environment and Internet Explorer protected mode!!

In addition to the earlier blog post, you can refer the following: – Microsoft Office addins using the Apps for Office platform are designed to run in isolation, using a low rights sandbox. – Several features, such as the task pane view, use web views provided using Internet Explorer APIs.  – To ensure these components…

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Debug: Outlook office addin (apps for office) fails to load, errors out

Recently one of my developer customer reported that he designed a new Outlook addin (apps for office) which fails to load and it throws the error “This app could not be started. Close this dialog to ignore the problem or click “Restart” to try again.” During troubleshooting we noticed that this issue occur because protected…

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Microsoft Graph REST API Developer – Getting list of locales, languages supported for the user mailbox

Using Microsoft Graph REST API, you can get the list of locales and languages that are supported for the user, as configured on the user’s mailbox server. You need to use OutlookUser resource type, which represents the Outlook services available to a given user. Request:https://graph.microsoft.com/beta/me/outlook/supportedLanguages RequestHeader: Authorization, Bearer/Token is required Response:If successful, this method returns…

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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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Microsoft Graph, Office 365 and .Net Developer

As you aware Microsoft Graph provides a powerful and consistent API for data in Office 365, Azure Active Directory and beyond. With it, you can access key data across organizations. Whether you’re looking to add some simple smarts to your app, like enhanced people pickers or file attachments from OneDrive, or looking to build enterprise…


Scripting: Send email using Powershell and System.Net.Mail API

You can send email using System.Net.Mail API & PowerShell scripting. It’s easy, faster!! Lets try… Why Powershell? PowerShell is the automation platform and scripting language for Windows and Windows Server that allows you to simplify the management of your systems. Unlike other text-based shells, PowerShell harnesses the power of the .NET Framework, providing rich objects…

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Office 365 Developer: Mail, Calendar, Contacts REST APIs and Hybrid Exchange

If you’re an Azure/Office 365 application developer, then this session is for you. In this Office 365 Developer session (as part of Redmond Interoperability Protocols Plugfest 2017), Deepak Singh, Program Manager, delivered presentation on Mail, Calendar, and Contacts REST APIs and Hybrid Exchange. Please make use of it.


Fixed: In Exchange Hybrid scenario Microsoft Graph REST API query fails due to $select $top $skips commands ignored

Recently i was working with an app developer who’s using Microsoft Graph REST API in their application. They try to query contacts for Exchange 2016 CU5 on premises in a hybrid + Office 365 environment (they had one single mailbox setup in Office 365). When they tested the Graph API query with $select, $top, $skips…

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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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Develop, debug code in Visual Studio 2017

With Visual Studio 2017, you can open code from nearly any type of directory-based project into Visual Studio without the need for a solution or project file. This means you can, for example, find a code project on Git, clone it, and then open it directly into Visual Studio and begin developing without having to…

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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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Diagnostics: How to enable debug tracing for System.Net.Mail API?

You can enable the following trace switches in your application config file, so that you can enable tracing for The System.Net.Mail library/API. This will log the contents of the SMTP session to a file. To send traces to a log file, add the following node to the <system.diagnostics> node of the appropriate configuration file (application…

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Office 365 Developers – Catch up on Outlook APIs in Microsoft Graph

  In Build 2017, i attended good number of sessions virutally, including this one by Venkat Ayyadevara, Program Manager, Outlook EcoSystem about Outlook API’s in Microsoft Graph. In this, you can learn about recent updates in Microsoft Graph for accessing Outlook mail, calendar, contacts and more for millions of commercial and consumer users. You can…