What's new when upgrading from Exchange 2016 to Exchange 2019?

Upgrading from Exchange 2016 to Exchange 2019 brings several new features and improvements. Firstly, Exchange 2019 offers better performance and scalability, making it an ideal option for larger organizations with high email traffic. The improved search experience and reduced indexing times are other notable enhancements that come with Exchange 2019.

Exchange 2019 also introduces a new architecture that separates the client access and mailbox server roles, providing better deployment flexibility and improved resilience. Another significant update is the support for Windows Server Core, which enables a more streamlined deployment and reduces the attack surface.

In terms of security, Exchange 2019 introduces several new features to mitigate potential vulnerabilities, such as the blocking of external access to the Exchange Admin Center by default and improved multi-factor authentication capabilities.

Furthermore, Exchange 2019 brings enhancements to the user experience, such as the ability to schedule Teams online meetings directly from Outlook and improved calendar sharing options. The new Message Recall feature allows users to recall messages sent to the wrong recipient, and the new Read/Unread UI provides a more intuitive way to manage emails.

Overall, upgrading to Exchange 2019 offers several new features and improvements that enhance performance, scalability, security, and user experience. It is recommended to thoroughly plan and test the upgrade process to ensure a smooth transition and optimal utilization of the new features and capabilities.

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