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…


Understanding modern public folder quotas

As a part of our ‘demystifying modern public folders’ series we have so far discussed the modern public folder deployment best practices and available logging for monitoring public folder connections. In this blog post, we are going to discuss public folder quotas. Let’s get to it! Public folder mailboxes and quotas Mailbox quotas are not…


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…


Modern public folders logging and when to use it

Hello again! In our last article, we discussed recommendations for deployment of public folders and public folder mailboxes. In this post, we will be discussing methods and tips for monitoring connections being made to the Public Folder mailboxes with the help of different log types available in Exchange Server 2013 and Exchange Server 2016. This…


Released: June 2017 Quarterly Exchange Updates

The latest set of Cumulative Updates for Exchange Server 2016 and Exchange Server 2013 are now available on the download center. These releases include fixes to customer reported issues, all previously reported security/quality issues and updated functionality. Updated functionality in Cumulative Update 6 With Cumulative Update 6 we are adding two highly anticipated features; Sent…


Announcing Original Folder Item Recovery

Cumulative Update 6 (CU6) for Exchange Server 2016 will be released soonTM, but before that happens, I wanted to make you aware of a behavior change in item recovery that is shipping in CU6.  Hopefully this information will aid you in your planning, testing, and deployment of CU6. Item Recovery Prior to Exchange 2010, we…

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Demystifying Certificate Based Authentication with ActiveSync in Exchange 2013 and 2016 (On-Premises)

Some of the more complicated support calls we see are related to Certificate Based Authentication (CBA) with ActiveSync. This post is intended to provide some clarifications of this topic and give you troubleshooting tips.What is Certificate Based Authentication (CBA)? Instead of using Basic or WIA (Windows Integrated Authentication), the device will have a client (user)…


2nd call for public folders to O365 Groups migrations

Update: this beta program is now closed; please see this for the feature availability announcement. We got some replies to our previous post on the subject, but wanted to reach out again as we want to make sure we validate this scenario well. Therefore, here is an updated request: If you are using Public Folders…


Accessing public folder favorites

Introduction Seeing that Outlook desktop and Outlook on the web (or OWA, depending on version) do not support the same types of public folders (or folders added to Favorites) we wanted to talk about what is expected behavior when public folders are used. We have seen some questions around this so – let’s clear it…