Announced: improvements to Hybrid Publishing and Organization Configuration Transfer

What just happened? During a rousing presentation that was marked by wild cheers and standing ovations, we announced a few features designed to simplify hybrid Exchange deployments and speed onboarding to Exchange Online (EXO). The features we discussed focused on two key problems, hybrid administration and configuration as customers prepare to move to the cloud…


Get Ready for Microsoft Ignite 2018

Unless you’ve been living under an IT rock, you’ll know that Microsoft Ignite is happening soon. September 24th to 28th to be exact, in Orlando Florida. If you didn’t buy a ticket already then I’m sorry to break to you that you are too late. It’s sold out! But it’s not all bad news; far…


Resource Based Throttling and Prioritization in Exchange Online Migrations

We often get questions about throttling in Mailbox Replication Service (MRS) based migrations in Exchange online. When migrating, you may see messages such as StalledDueTo_TargetDiskLatency for some periods of time. These messages come from our resource-based throttling infrastructure in Exchange Online. This is how this would look like in the output of Get-MoveRequestStatistics: PS C:\>…


Hybrid Organization Configuration Transfer

We are very happy to announce a new feature that will help you the admin reduce the amount of time needed to configure config objects once hybrid setup is complete. What does this feature do? This feature enables a one-time transfer of key organization policy objects during the onboarding process from Exchange on-premises to Exchange…


Best practices for using assigned Office 365 DNS records

As someone who reads through hundreds of support cases each month, nothing pains me more than seeing customers struggling with seemingly complex issues, only to discover that the root cause is quite simple. Never is this truer than it is with DNS. Some of the most complicated security and lost mail issues boil down to…


Exchange Server TLS guidance Part 3: Turning Off TLS 1.0/1.1

Overview In part 3 of our Exchange Server TLS Guidance series, we introduce how to turn off TLS 1.0 and 1.1 in your Exchange Server deployment. Turning off TLS 1.0 and 1.1 can be a highly disruptive event if not planned and executed properly. The Exchange team believes that it is time for the ecosystem…


Announcing the increase of the Public Folder limit in Exchange Online from 250,000 to 500,000 folders

Last September, we officially announced the increase of the supported limit of Public Folders in Exchange Online from 100,000 to 250,000. In line with our efforts to scale Public Folders even further, we are glad to announce that Exchange Online now officially supports public folder hierarchies of up to 500K public folders in the cloud…


Changes coming to the SMTP Authenticated Submission client protocol

There are a number of client protocols offered by Exchange Online to allow email clients to send email from their mailboxes. One of the most widespread protocols is SMTP Authenticated Submission (also known as SMTP Client Submission) which is supported by most email service providers. This non-proprietary protocol is used to send email by legacy…


Office 365: Auto-Expanding Archives FAQ

In recent months we’ve been receiving quite a few questions from customers regarding auto-expanding archives. I’d like to clear up some of the misconceptions and answer some of the most frequently asked questions we get on this subject. Think of this as a FAQ on the subject. Before we get going, I strongly advise folks…