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…


Microsoft Office 365–Using Exchange PowerShell to get Users photo from Microsoft Office 365

You can use the Get-UserPhoto cmdlet to view information about the user photos feature that allows users to associate a picture with their account. User photos appear in on-premises and cloud-based client applications, such as Microsoft Outlook Web App (OWA), Lync, Skype for Business, and SharePoint. Please note that, – This cmdlet is available in…


Microsoft Exchange Server 2016 available now

Earlier I talked about Exchange Server 2016 Preview, now Microsoft Exchange Server 2016 is here and available now. This release brings the Exchange bits that already power millions of Office 365 mailboxes to your on-premises environment. With Exchange Server 2016, lets you accomplish more with rich Outlook experiences on phones, tablets, desktop, and the Web….


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…


MAPI: How to programmatically get autocomplete cache/entries for OWA 2013?

In continuation of my earlier post, I got few additional queries how to programmatically (using MAPI) get autocomplete cache/entries for OWA 2013. I used latest MFCMAPI as a code sample to achieve this. Download latest MFCMAPI from http://mfcmapi.codeplex.com Select “Session” Menu > Select “Logon” > select profile > Open the “store” > select  “Root Container”…

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Microsoft Exchange Conference (MEC) 2014 – Recordings

As I updated earlier, MEC 2014 concluded in Austin, Texas -  MEC2014 delivered the latest content for Office 365 Exchange Online and Exchange on-premises customers. Content is delivered across tracks including: Architecture; Deployment & Migration; eDiscovery and Compliance; Exchange Extensibility; Manageability and Support; Outlook, OWA, and Mobility; and Security and Protection. Now you can get…


TechEd 2012: Few Exchange 2010 sessions that I attended…

Session # 1: An Inside View of Microsoft Exchange Server 2010 SP2: Exchange Server 2010 SP2 was released at the end of 2011; it brought some fantastic new features that I like. In this session, you can hear from the Product Group about OWA Mini, the Hybrid Configuration Wizard, OWA Cross Site Silent Redirection, GAL…

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While try to log into an Exchange 2003 mailbox by using WebDAV program, you receive a 401 status code in IE

When the user tried to access a Microsoft Exchange Server 2003 mailbox by using a program that uses Web Distributed Authoring and Versioning (WebDAV), Internet Explorer throws 401 HTTP status code. During investigation we found that we may not be able to access the mailbox. Also we notice that the mailbox has never received an…


Where does autocomplete gets stored in OWA?

There is always a related question regarding autocomplete feature on OWA. In outlook the auto complete gets stored in *.NK2. Where does it store for OWA ? The Auto Complete cache is stored as part of the user’s profile on the Exchange Server.

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OWA Customization Update : Outlook Web Access (OWA) 2010 Support Policy

Adding this blog post with respect to my previous article regarding support for Exchange Server OWA customization and its PSS Support Policy. We do get customers that they try and want to us provide assistance on OWA customization for OWA 2007 and 2010. They either want to customize OWA by changing features or by modifying…

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