The case of Reply Log Manager not letting lagged copy lag

In a previous blog post Ross Smith IV had explained what the Replay Lag Manager is and what it does. It’s a great feature that’s somewhat underappreciated. We’ve seen a few support cases that seemed to have been opened out of the misunderstanding of what the Replay Lag Manager is doing. I wanted to cover…


The many ways to block automatic email forwarding in Exchange Online

In support, I get this question quite frequently: “How do I block users from auto forwarding their mail outside my environment?” There are plenty of good reasons you may not want auto forwarding: you may have HIPAA laws to follow, regulatory compliance or data privacy concerns or simply because it makes you uncomfortable. A user…


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…


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…


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…


.NET Framework 4.7 and Exchange Server

Update 6/15/2017: Added a clarification that .Net Framework 4.7 has shipped and that we are still validating this release with Exchange Server. We wanted to post a quick note to call out that our friends in .NET have released the .NET Framework 4.7 to Windows Update for client and server operating systems it supports. We…


TooManyBadItemsPermanentException error when migrating to Exchange Online?

Some of you may have noticed that more migrations might be failing due to encountering ‘too many bad items’. Upon closer review, you may notice that the migration report contains entries referencing corrupted items and being unable to translate principals. I wanted to take a few minutes and provide more information to help understand what…


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)…


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…