Announcing Hybrid Modern Authentication for Exchange On-Premises

We’re very happy to announce support for Hybrid Modern Authentication (HMA) with the next set of cumulative updates (CU) for Exchange 2013 and Exchange 2016, that’s CU8 for Exchange Server 2016, and CU19 for Exchange Server 2013. What is HMA? HMA (not HAM, which Word keeps trying to correct it to for me) provides users…


PAW your way into Office 365 Migrations

We have had lots of questions regarding what PAW is when it comes to MRS Migrations, so let’s take a few minutes to explain PAW benefits to you. First off, what is this PAW we keep speaking of? PAW, or Protocol Agnostic Workflow, is new functionality within the Migration Service that really enhances the experience…


Why is my Address Rewriting not working as expected?

Address Rewriting is a feature of the Transport Agent that runs on the Edge Server role. It enables the modification of addresses for both senders and recipients on messages that enter and leave your Exchange organization. First introduced in Exchange 2007, customers are using Address rewriting to present a consistent appearance of E-mail Address for…


Migrate your public folders to Office 365 Groups

Over the last few months, we ran a TAP Program where our customers tested the batch migration process to move their public folders (both online and on-premises) to Office 365 Groups. We want to thank all of the customers who helped us out with the testing by sharing their experiences with us. The TAP program…


An update to "Important notice for Office 365 email customers who have configured connectors"

Since we posted this blog post, we have received positive responses from many of our customers, who have proceeded with changing their connectors (as per instructions in the post), thereby protecting their email/domain reputation. However, we are also aware of customers who are either in the midst of making this change or need some additional…


Help us test Exchange public folder migrations to Office 365 Groups

Update: this beta program is now closed; please see this for the feature availability announcement. If you are using Public Folders (legacy or Modern) and would like to migrate some of them to Office 365 Groups, we are working on a solution for that. We are starting with the migration of Calendar folders and will…


Change in behavior for delicensed Exchange Online users

Several weeks ago, we enabled a new Office 365 feature to some tenants where the removal of the Exchange License didn’t immediately mail disable the user and disconnected the mailbox. The new behavior then required to manually (via RPS – remote PowerShell) go and run through EXO RPS the Disable-Mailbox -PermanentlyDelete cmdlet to achieve the…


The Hybrid Mesh

During the recent Microsoft Ignite conference I heard questions related to hybrid and partner free/busy relationships quite often, so I wanted to write about it. This scenario applies to companies with one or more external free busy relationships configured. For instance, you could have two or more companies on-premises sharing free/busy between each other. Then…


Looking back at Microsoft Ignite 2016

We had a lot of fun last week, with hundreds of sessions that covered vast variety of Microsoft services and products. If you were there – we hope that it was time well spent for you! We had many Microsoft experts in sessions and on the Expo floor to give you access and help answer…


Important notice for Office 365 email customers who have configured connectors

Note: This post, originally published in March, got accidentally re-published on 8/23/16 when updating step 5 below. We are leaving it published as a reminder to our customers as the time for this change is now closer. If you are an Exchange Online or Exchange Online Protection (EOP) customer and you have configured connectors, this…