Because Microsoft has shifted to a more gradual upgrade of Windows Server, many of the features that will become available with Windows Server 2019 have already been in use in live corporate networks, and
Enterprise-grade hyperconverged infrastructure (HCI)
With the release of Windows Server 2019, Microsoft rolls up three years of updates for its HCI platform. That’s because the gradual upgrade schedule Microsoft now uses includes what it calls Semi-Annual Channel releases – incremental upgrades as they become available. Then every couple of years it creates a major release called the Long-Term Servicing Channel (LTSC) version that includes the upgrades from the preceding Semi-Annual Channel releases.
While the fundamental components of HCI (compute, storage and networking) have been improved with the Semi-Annual Channel releases, for organizations building datacenters and high-scale software defined platforms, Windows Server 2019 is a significant release for the software-defined datacenter.
With the latest release, HCI is provided on top of a set of components that are bundled in with the server license. This means a backbone of servers running HyperV to enable dynamic increase or decrease of capacity for workloads without downtime.
GUI for Windows Server 2019
A surprise for many enterprises that started to roll-out the Semi-Annual Channel versins of Windows Server 2016 was the lack of a GUI for those releases. The Semi-Annual Channel releases only supported ServerCore (and Nano) GUI-less configurations. With the LTSC release of Windows Server 2019, IT Pros will once again get their desktop GUI of Windows Server in addition to the GUI-less ServerCore and Nano releases.
With the release of Windows Server 2019, Microsoft will formally release their Project Honolulu server management tool. Project Honolulu is a central console that allows IT pros to easily manage GUI and GUI-less Windows 2019, 2016 and 2012R2 servers in their environments.
Early adopters have found the simplicity of management that Project Honolulu provides by rolling up common tasks such as performance monitoring (PerfMon), server configuration and settings tasks, and the management of Windows Services that run on server systems. This makes these tasks easier for administrators to manage on a mix of servers in their environment.
Improvements in security
Microsoft has continued to include built-in security functionality to help organizations address an “expect breach” model of security management. Rather than assuming firewalls along the perimeter of an enterprise will prevent any and all security compromises, Windows Server 2019 assumes servers and applications within the core of a datacenter have already been compromised.
Windows Server 2019 includes Windows Defender Advanced Threat Protection (ATP) that assess common vectors for security breaches, and automatically blocks and alerts about potential malicious attacks. Users of Windows 10 have received many of the Windows Defender ATP features over the past few months. Including Windows Defender ATP on Windows Server 2019 lets them take advantage of data storage, network transport and security-integrity components to prevent compromises on Windows Server 2019 systems.
Smaller, more efficient containers
Organizations are rapidly minimizing the footprint and overhead of their IT operations and eliminating more bloated servers with thinner and more efficient containers. Windows Insiders have benefited by achieving higher density of compute to improve overall application operations with no additional expenditure in hardware server systems or expansion of hardware capacity.
Windows Server 2019 has a smaller, leaner ServerCore image that cuts virtual machine overhead by 50-80 percent. When an organization can get the same (or more) functionality in a significantly smaller image, the organization is able to lower costs and improve efficiencies in IT investments.
Windows subsystem on Linux
A decade ago, one would rarely say Microsoft and Linux in the same breath as complimentary platform services, but that has changed. Windows Server 2016 has open support for Linux instances as virtual machines, and the new Windows Server 2019 release makes huge headway by including an entire subsystem optimized for the operation of Linux systems on Windows Server.
The Windows Subsystem for Linux extends basic virtual machine operation of Linux systems on Windows Server, and provides a deeper layer of integration for networking, native filesystem storage and security controls. It can enable encrypted Linux virtual instances. That’s exactly how Microsoft provided Shielded VMs for Windows in Windows Server 2016, but now native Shielded VMs for Linux on Windows Server 2019.
Enterprises have found the optimization of containers along with the ability to natively support Linux on Windows Server hosts can decrease costs by eliminating the need for two or three infrastructure platforms, and instead running them on Windows Server 2019.
Because most of the “new features” in Windows Server 2019 have been included in updates over the past couple years, these features are not earth-shattering surprises. However, it also means that the features in Windows Server 2019 that were part of Windows Server 2016 Semi-Annual Channel releases have been tried, tested, updated and proven already, so that when Windows Server 2019 ships, organizations don’t have to wait six to 12 months for a service pack of bug fixes.
This is a significant change that is helping organizations plan their adoption of Windows Server 2019 sooner than orgs may have adopted a major release platform in the past, and with significant improvements for enterprise datacenters in gaining the benefits of Windows Server 2019 to meet security, scalability, and optimized data center requirements so badly needed in today’s fast-paced environments.
Windows Server 2019 was improved security (especially for Linux VMs), container support (especially for Kubernetes), massive
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