Deep dive # 2: How to configure Exchange on-premise Server hybrid integration with Office 365/Azure Infrastructure and test REST API calls?

So this post is dedicated for Exchange/Office 365/Azure administrators, as they came back after checking the deep dive # 1 blog with few queries. /api virtual Directory: CU3 introduces a new virtual directory to support the REST API, the /api virtual directory. So the API virtual directory is available in Exchange 2016 CU3 or newer…

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Deep dive # 1: How to configure Exchange on-premise Server hybrid integration with Office 365/Azure Infrastructure and test REST API calls?

This is one of the regular discussion that comes across at my desk, how we can configure Hybrid Exchange on-premise server integration with Office 365/Exchange Online, so that users can make use of REST API. So I thought let me stitch all of them together which can be handy for both the Exchange administrators and…

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Microsoft Build 2019 Conference: May 6-8 @ Seattle

Microsoft Build will take place May 6-8, 2019 at the Washington State Convention Center in Seattle. Here’s your chance to explore and learn about new and upcoming technologies, gain hands-on experience, and level up development skills. Microsoft Build brings developers and experts from the product teams together, so you have opportunities to ask questions, collaborate…

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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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Graph API Developer–Programmatically get the Outlook categories defined for the user using Graph API

Well, we use Outlook/Office 365 a lot and sure most of them uses Categories. Traditionally, you might have used MAPI/Outlook Object Model/EWS API to retrieve these categories. This time, lets we use Microsoft Graph API to programmatically get the Outlook categories that have been defined for the user. First i make the Request: GET https://graph.microsoft.com/v1.0/me/outlook/masterCategories…

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How to connect to Exchange Online PowerShell using multi-factor authentication??

If you want to use multi-factor authentication (MFA) to connect to Exchange Online PowerShell, you can’t use the instructions at Connect to Exchange Online PowerShell to use remote PowerShell to connect to Exchange Online. First, MFA requires you to install the Exchange Online Remote PowerShell Module Then you need to use the Connect-EXOPSSession cmdlet to…

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Developer: Outlook COM Add-in and Large Address Aware

Starting from build 16.0.8528.2147 (Version 1709) of the 32-bit version of Outlook 2016 for Windows has been updated to be Large Address Aware (LAA). This increases the maximum address space available to Outlook from 2 GB to 4 GB when it is running on a 64-bit version of Windows. This is key to improved graphics…

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Office.js debug: Office add-in throws “Sorry, we couldn’t load the app because your browser version is not supported”

One of the ISV pointed out that they see the following error with Office Add-ins that they develop. It throws error “Sorry, we couldn’t load the app because your browser version is not supported. Click here for a list of supported browser versions.” During the investigation we noticed the end user’s browser (Internet Explorer) is…

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Microsoft Inspire 2019 Event

Microsoft Inspire is Microsoft’s flagship partner event, where partners and Microsoft employees from around the globe meet to connect, learn, and collaborate to accelerate digital transformation and the success of our customers. Microsoft Inspire is five days of learning, networking, fun, and a few surprises that kicks off each new Microsoft fiscal year. It features…

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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…

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Office Debug: Office add-ins are not displayed correctly in Outlook

Recently one of the ISV app developer reported that after they update Microsoft Outlook to version 1809 (build 10827.20181) or later versions, data from some Office add-ins may not be displayed correctly or may be missing from the user interface of the add-in within Outlook. Specifically in their case, they used IE Control hosted in…

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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…

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Debug: Graph API throws HTTP 403 with $filter for some users

In recent times, i worked with one of the ISV developer who reported that for some users when they use $filter with Graph API calls throws HTTP 403 – Forbidden. The same call works fine with $filter for most of the users. We chased and found it happens for some users (and not for all…

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Exchange Server Quarterly Servicing updates, changes, zero day vulnerability fixes released

Yesterday we released Exchange Server quarterly servicing Cumulative Updates (for Exchange 2013/2016/2019) and Rollup Update (for Exchange 2010) for all supported versions of Exchange Server. Few highlights were, These updates have the fixes to mitigate the zero day and related vulnerabilities. An architectural change to EWS Push notification authentication – this change addresses the EWS…

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