Introduction to Public Folder Hierarchy Sync

Introduction The purpose of this article is to provide high level overview of hierarchy synchronization process in public folders and provide some troubleshooting steps to monitor and troubleshoot hierarchy related issues. The information presented here applies to public folder deployment in Exchange on-premises as well as Exchange Online, with any differences called out. Before we…


Exchange Online – Modern Authentication and Conditional Access Updates

We’re constantly improving the security of Office 365 products and services. Modern Authentication and Conditional Access are two of the best ways of ensuring that your clients can take advantage of authentication features like multi-factor authentication (MFA), third-party SAML identity providers, and are implementing automated access control decisions for accessing your cloud apps based on…


Announcing the updated Exchange Deployment Assistant site

Today we’re announcing a new site for the Exchange Deployment Assistant – https://assistants.microsoft.com! Like the rest of the Exchange documentation, the Deployment Assistant has lived on TechNet since it was created. With the move towards the docs.microsoft.com platform, we needed to make a similar migration for the Deployment Assistant. With the move to the new…


Investigating TLS usage for SMTP in Exchange Online

Microsoft is committed to enforcing the best security for our services. As a result, TLS1.0, TLS1.1, and 3DES were deprecated in the Office 365 service. While 3DES is currently in the process of being disabled, there is no date set for disabling TLS1.0 and TLS1.1. That said, we are working towards disabling these TLS versions…


Announcing the Public Folder Consistency Agent for Exchange Online

We are very glad to announce availability of the public folder consistency agent for public folders in Exchange Online. What is this, you ask? Read on! The agent currently works on two scenarios: Scenario 1: Stale permissions on public folders Consider a scenario where a user was given permissions on a public folder, but their…


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…


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…


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…