Exchange Server 2019 is designed to deliver security, performance and improved administration and management capabilities; attributes our largest on-premises customers expect from Exchange.


Here is a selection of other key features in Exchange Server 2019:

Security: Exchange Server 2019 requires Windows Server 2019. In fact, we recommend installing Exchange Server 2019 onto Windows Server 2019 Server Core. Exchange Server 2019 installed on Windows Server 2019 Core provides the most secure platform for Exchange. You also have the option of installing Exchange 2019 onto Windows Server 2019 with Desktop Experience, but we have worked hard to make sure running Exchange on Server Core is the best choice for our code.

We are aware all media for Windows Server 2019 and Windows Server, version 1809 has been temporarily removed and Microsoft will provide an update when refreshed media is available. Exchange Server 2019 will be fully compatible with version 1809, and the refreshed version.

We also built Exchange Server 2019 to only use TLS 1.2 out of the box, and to remove legacy ciphers and hashing algorithms. To understand how this affects coexistence with earlier versions, please reference our previous series of posts on TLS.

Performance: We've done significant work to allow Exchange Server to take advantage of larger core and memory packed systems available in market today. With our improvements, Exchange Server can use up to 48 processor cores and 256GB of RAM.

We've re-engineered search using Bing technology to make it even faster and provide better results, and in doing so have made database failovers much faster, and administration easier.

We are adding dual storage read/write capabilities to Exchange Server 2019 using Solid State Drive (SSD) technology to provide a super-fast cache of key data for improving end user experience. We also talked about this in our Email Search in a Flash! Accelerating Exchange 2019 with SSDs session at Ignite.

We also changed the way database caching works to allocate more memory to active database copies, again improving the end user experience. You can learn more about Dynamic Database Cache from Welcome to Exchange Server 2019! video and slides.

The improvements we have made to Exchange Server 2019 will enable you to scale to a larger number of users per server than ever before, use much larger disks, and see the latency of many client operations being cut in half.

End user experience: We all rely on Exchange for calendaring, and we know large enterprises are heavy calendar users. We are bringing a few key features such as restricting the forwarding of meeting requests and better control over OOF settings to Exchange Server 2019. Administrators get some new calendaring features too, as we are adding the ability to manage events on users calendars and assign delegate permissions more easily.

We are also adding support for routing mail to and from EAI/IDN recipients and hope to add additional capabilities in this area in the future.

What's New
Windows Server Core
Support for Windows Server Core is finally here! Exchange Server 2019 can now be installed on Window Server 2016 and 2019 Core, providing a secure platform for your Exchange. The Exchange team recommends this as the best choice to install Exchange Server 2019. GUI interface will still be available. Its key to note that Exchange 2019 can only be installed on Windows Server 2019.

Performance
Exchange 2019 will support up to 48 CPU cores and 256GB of memory to take advantage of new hardware developments. This is a huge increase compared to Exchange 2016, which supports 24 CPU cores and 192GB of memory. Larger organizations will be able to deploy fewer Exchange servers to save on licensing and reduce their data center footprint.

Microsoft has incorporated Bing search technology to improve the search experience. The index is now part of the mailbox database, which eliminates the need to manage additional log files and requirements to rebuild content indexes. This will decrease database failover times due to the mailbox database copy.

End-user Experience
Exchange 2019 will feature some improvements already utilized in Exchange Online, such as Do Not Forward and Simplified Calendar Sharing. Additionally, Microsoft is adding the ability for admins to manage events on users calendars and to assign and delegate permissions more easily through new PowerShell cmdlets.

Unified Messaging
Microsoft has eliminated the Unified Messaging role from Exchange 2019. Exchange 2019 will not support using a third-party PBX or Skype for Business Server to Exchange Server. This means that if you require voicemail functionality, you would have two options: migrate to Skype for Business Server 2019 using Cloud Voicemail or migrate to Office 365 with Cloud Voicemail. And there good news Microsoft has implemented several paths to reduce some of the cost to transition to Cloud Voicemail.

Conclusion
The Exchange Server 2019 news shows that Microsoft is still dedicated to providing solutions to customers who prefer on-premises software installations, while also continuing to drive improvement in the cloud. Microsofts release of Exchange 2019 tends to focus on larger customer environments.

Homepage

https://products.office.com/en/exchange/email

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