EWS API throws error “No Mailbox with such GUID”

Recently i was working with an ISV/application developer, who created this custom application using EWS (Exchange Web Services) API. It worked with the account with impersonation rights to access other mailboxes/calendars in Azure/Office 365/Exchange Online. But when they tried to access a specific mailbox calendar, they see the error “No mailbox with such GUID”. We…


Machine Learning – Building a Pet Detector in 30 minutes using Tensorflow

Ever wondered what breed that dog or cat is? In this show, you’ll see us train, optimize and deploy a deep learning model using Azure Notebooks, Azure Machine Learning Service, and Visual Studio Code using Python. We use transfer learning to retrain a mobilenet model using Tensorflow to recognize dog and cat breeds using the…


Free preview of Microsoft Stream

Today we announced the free preview of Microsoft Stream, a new business video service that democratizes access to and discovery of video at work. Starting today, anyone with a business email address can sign up for the preview in seconds and begin uploading, sharing and tagging videos in their organization. By taking the “work” out…


Just FYI – Support Ending for the .NET Framework 4, 4.5, 4.5.1 @ January 12, 2016

Last year I blogged regarding the end of support for .Net Frameworks (4, 4,5 & 4.5.1), starting January 12, 2016 and it’s not far away – please there will be no longer provide security updates, technical support or hotfixes for .NET 4, 4.5, and 4.5.1 frameworks. All other framework versions, including 3.5, 4.5.2, 4.6 and…


Supportability matrix for Microsoft Exchange Server 2007, 2010 and 2013 versions

The Exchange Server Supportability Matrix provides a central source for Microsoft Exchange administrators to easily locate information about the level of support available for any configuration or required component for supported versions of Microsoft Exchange. You can refer the supportability matrix here – all of them documented in a single place. It talks about Release…


Exchange Online/Office 365 limits for variety of service areas….

You can find the Exchange Online limits for a variety of service areas, including address book limits, Recipient & sender limits, mailbox storage limits, reporting, message trace limits, mailbox folder limits, retention limits and more. You can refer the detailed information @ https://technet.microsoft.com/en-in/library/exchange-online-limits.aspx. For limits that apply to EOP features in Exchange Online, you can…


Windows Azure – Digital Chalk Talks

Windows Azure Virtual Machines – Part I (Windows) Corey Sanders, Principal Program Manager, Windows Azure : Learn how to create and manage Windows Virtual Machines in Windows Azure Windows Azure Virtual Machines – Part II (Linux) Henry Jerez, Sr. Program Manager, Windows Azure : Learn how to create and manage Linux Virtual Machines on Windows…

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Migration: Exchange Public folders and its future

Public Folders are used in earlier versions of Microsoft Exchange Server to store free/busy data and files. From Microsoft Exchange Server 2007, free/busy data is no longer stored in public folders. It’s recommend that you do not store files in public folders in Exchange 2007. Instead, consider using Microsoft Office SharePoint, or Windows SharePoint Services….


Download: Windows 7 & Windows Server 2008 R2 Service Pack 1 (SP1)

Windows 7 and Windows Server 2008 R2 SP1 helps keep your PCs and servers on the latest support level. It also provides ongoing improvements to the Windows Operating System (OS), by including previous updates delivered over Windows Update as well as continuing incremental updates to the Windows 7 and Windows Server 2008 R2 platforms based…

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Why using Custom Outlook forms and HTTP scenarios not recommended?

In Outlook, custom Outlook forms are not supported for use with HTTP-based mail services (such as Microsoft Hotmail). Outlook does not prevent you from using custom form features if you are using an HTTP-based mail service. However, some features do not work correctly. The features do not work correctly because HTTP-based mail messages are stored…