Advanced Office 365 Routing: Locking Down Exchange On-Premises when MX points to Office 365

We often get request from customers to control mail flow routing in a hybrid deployment, for various compliance requirements. Achieving the desired routing greatly depends on where the MX record is pointed to and the involvement of 3rd party mail gateways. Also, use of Centralized Mail Transport and the two mandatory Office 365 native domains…


Meta Cache Database (MCDB) Setup Guide is available

At Ignite 2017 and 2018 we began telling you about the Meta Cache Database feature we’re using in the O365 cloud service to improve scenario performance and store more mailboxes on ever-growing hard disk drives (HDDs). If you have not had a chance to join us at Ignite or would like a refresher, here are…


Released: February 2019 Quarterly Exchange Updates

Today we are announcing the availability of quarterly servicing updates, cumulative and update rollups, for all supported versions of Exchange Server. Exchange Server 2010, 2013, 2016 and 2019 all receive an update package. These updates include important fixes to address vulnerabilities being discussed in blogs and other social media outlets. While it is not the…


15 years!

Believe it or not – as of today, this blog has been around for 15 years! That’s right… the very First post was published on February 9, 2004, with How the M: Drive came about hot on its heels. Not too shabby for something people said would never work! On this blog, we have something…


Retiring Unified Messaging in Exchange Online

Microsoft is retiring Unified Messaging (UM) in Exchange Online and replacing it with Cloud Voicemail and Auto Attendant services.  This impacts voicemail processing and Auto Attendant in Exchange Online for all customers using these workloads. The following servers connecting to Exchange UM Online will be transitioned by Microsoft to Cloud Voicemail on or before February…


The Microsoft Hybrid Agent Public Preview

The moment you’ve all been waiting for has arrived! We are pleased to announce the Microsoft Hybrid Agent for Exchange Server is now available for preview! We talked in some depth about the Hybrid Agent back at Ignite 2018 in Orlando, if you want a refresher on what we covered there you can see that…


Giving you more control over public folder migration requests

In our continued efforts to improve the reliability, speed and administration experience of public folder migration, we are very glad to announce the availability of Remove-PublicFolderMailboxMigrationRequest cmdlet for the use of Exchange Online tenant administrators. The cmdlet will help tenant administrator remove individual public folder mailbox migration request, which is very helpful in scenarios where…


New Outlook for iOS and Android App Config Policy Experience in Intune – Account Setup Config

At Microsoft Ignite, Outlook for iOS and Android announced support for deploying managed device account setup configuration settings for Office 365 mailboxes and on-premises mailboxes leveraging hybrid modern authentication. This capability leverages either the Managed App Configuration for iOS or the Android managed configurations to enable MDM solutions to push configuration detail. This functionality was…

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How to work with Inactive Mailboxes

It usually starts with the following question: Is there a way to release the license of an Exchange Online user that left the company, but at the same time, keep the mailbox content? To get this done, we have a feature called Inactive mailboxes, but as we have seen some of our customers being a…


Monitoring Exchange Online User Client Access and Usage with Graph, PowerShell and Power BI

Introduction As a Tenant Admin of an Office 365 Exchange Online organization, have you ever needed to monitor who, what, and where someone is connecting to your Exchange Online resources, like accessing mailboxes on mobile devices? I ran into this request a few weeks ago, from one of my customers. After hours of research, and…