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The question "why should I implement Exchange Modern Hybrid" is justified. Exchange Modern Hybrid is specially designed to simplify implementing Exchange Hybrid Mode by eliminating the requirement for inbound HTTPS connections to an on-premises Exchange organization. The technical specifications for Classic Exchange Hybrid are sometimes unsuitable for enterprises.
"Exchange Hybrid options? There are none. Just go Full Monty." - undisclosed Exchange consultant
That isn't quite right. But let me explain the concept of Exchange Hybrid first before we take a look at the available options.
October 13, 2020, is an important date for Microsoft for a variety of reasons. On this date, Microsoft will stop support for their 2010 suite of products like Exchange 2010, SharePoint 2010, Office 2010, etc. In addition, Microsoft will stop basic authentication in Office 365 as outlined in their post Upcoming changes to Exchange Web Services (EWS) API for Office 365 and their follow-up post Basic Auth and Exchange Online – February 2020 Update.
In their blog article, "Improving Security - Together," the Microsoft Exchange product group announced that the insecure Basic Authentication authentication method switches off on October 13, 2020, not just for Exchange Web Services (EWS), but also for Exchange ActiveSync (EAS), POP, IMAP, and Remote PowerShell.
In my previous blogpost, I wrote about how crucial it is to have all of your domains registered, Access Control Entries (ACE) on mailbox and folder level in a row and a reminder to keep things simple and you might revisit your architecture and the need of resource forests.
There are several ways outlined by Microsoft that can be found here. This blogpost goes over migrating from an integrated Exchange server infrastructure to Exchange Online with a hybrid deployment. I will not cover third-party migrations, as this is not relevant for the topics mentioned in this post.
So, the cloud, am I right? While it's always nice to get away from having to worry about failed hard drives, or backups, or patches, or a million other things, the real upside to using cloud services is that the good folks at Microsoft are able to put so much more into developing new features. Even for services like Exchange that seem mature, there are always new and unexpected ways for them to evolve as part of a huge infrastructure like Office 365 and Azure.
Years ago, you moved successfully from Exchange 2003 to Exchange 2010 and to be honest, you’re still very satisfied with it. Update rollups appear frequently and your Office 2010 still functions properly, so everybody is happy. But all good things come to an end.
As we come to the end of 2018, or the beginning of 2019 depending on when you’re reading this, it seems like a good time to look at how Exchange Online has changed over the last year.
A few weeks back, Microsoft announced the Public Preview of a new and very interesting feature, named Attack Simulator. The idea behind Attack Simulator is to give you a safe toolset to use in order to probe some aspects of the security of your organization, when it comes to email hygiene and password strength, with more to come in the future. In this article, we will do a quick overview of Attack Simulator.