Microsoft Windows Operating Systems- All About

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What is Microsoft Windows 2019?

Windows Server 2019 is a server operating system under development by Microsoft as part of the Windows NT family of operating systems. It was announced on March 20, 2018, and the first Windows Insider preview version was released on the same day

What’s New in Windows Server 2019 Inside Preview Builds. 

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App Compatibility Feature on Demand (FoD) for Server Core
App Compatibility, App Compatibility, a Feature on Demand (FoD), has been updated with support for adding Internet Explorer 11, and this FoD is a requirement for adding Internet Explorer 11.

This FoD significantly improves the app compatibility of Windows Server Core by including a set of binaries and packages from Windows Server with Desktop, without adding any of the Windows Server Desktop GUI or Windows 10 GUI experiences. The FoD package is available on a separate ISO and installs on Windows Server Core only.

Important  Please try out this FoD, and verify that current applications and tools run on the preview release as expected. Also, try any server app (from Microsoft or not) that you want to use on Server Core but currently cannot use, and please let us know about any successes or failures.

Operating system components that are available with this update:

  • Event Viewer (Eventvwr.msc)
  • Performance Monitor (PerfMon.exe)
  • Resource Monitor (Resmon.exe)
  • Device Manager (Devmgmt.msc)
  • Microsoft Management Console (mmc.exe)
  • File Explorer (Explorer.exe)
  • Windows PowerShell ISE (Powershell_ISE.exe)
  • Failover Cluster Manager (CluAdmin.msc)
  • Internet Explorer (IExplore.exe), an optional componen

Extending your Clusters with Cluster Sets

“Cluster Sets” is the new cloud scale-out technology that increases cluster node count in a single SDDC (Software-Defined Data Center) cloud by orders of magnitude. A Cluster Set is a loosely-coupled grouping of multiple Failover Clusters: compute, storage or hyper-converged. Cluster Sets technology enables virtual machine fluidity across member clusters within a Cluster Set and a unified storage namespace across the “set” in support of virtual machine fluidity. While preserving existing Failover Cluster management experiences on member clusters, a Cluster Set instance additionally offers key use cases around lifecycle management of a Cluster Set at the aggregate.

Failover clustering: file share witness

One of the witness options available for failover clustering, File Share Witness, has two new enhancements.

The first enhancement blocks the use of a Distributed File System (DFS) share as a location. Adding a File Share Witness (FSW) to a DFS share can cause stability issues for your cluster, and this configuration has never been supported. So, we added logic to detect if a share uses DFS, and if DFS is detected, Failover Cluster Manager blocks creation of the witness and displays an error message about not being supported.

The second enhancement enables use of an FSW for several scenarios that were previously not supported:

  • Absent or extremely poor Internet access because of a remote location, preventing the use of a cloud witness.
  • Lack of shared drives for a disk witness. This could be a Storage Spaces Direct hyperconverged configuration, a SQL Server Always On Availability Groups (AG), or an * Exchange Database Availability Group (DAG), none of which use shared disks.
  • Lack of a domain controller connection due to the cluster being behind a DMZ.
  • A workgroup or cross-domain cluster for which there is no Active Directory cluster name object (CNO). Find out more about these enhancements in the following post in Server & Management Blogs: Failover Cluster File Share Witness and DFS.

Failover clustering: moving clusters between domains

Moving a cluster from one domain to another has always been a daunting task because you must destroy the cluster to move it. Depending on the roles in the cluster, that role must also be removed and recreated. The following are two common scenarios: Company A purchases Company B and must move all servers to Company A’s domain Main office builds a cluster and ships it to another location We have added two new PowerShell commandlets to quickly take you from one domain to another without the need to destroy it. For more information about this new capability, see How to Switch a Failover Cluster to a New Domain in Server & Management blogs.

Failover Cluster removing use of NTLM authentication

Windows Server Failover Clusters no longer use NTLM authentication by exclusively using Kerberos and certificate based authentication. There are no changes required by the user, or deployment tools, to take advantage of this security enhancement. It also allows failover clusters to be deployed in environments where NTLM has been disabled.


Group Managed Service Accounts

We’ve improved the scalability and reliability of containers that use group managed service accounts (gMSA) to access network resources. You should see fewer authentication errors when using a single gMSA with multiple container instances. Additionally, you no longer need to set the container’s host name to be the same as the gMSA. We also fixed a bug that prevented you from using gMSAs with Hyper-V isolated containers.

Host Device Access for Containers

You can assign simple buses to process-isolated Windows Server containers. Applications running in containers that need to talk over SPI, I2C, GPIO, and UART/COM will now be able to do so. To learn more, and to see how to leverage the feature, see Bringing Device Support to Windows Server Containers in the Virtualization Blog.

New Container base image: Windows

We added a new base image to the Windows Server container collection. In addition to nanoserver and windowsservercore container images, the new windows image is now available. This image carries even more components than its nanoserver and servercore siblings, meaning it can support applications that have additional API dependencies. To learn more and get started, go to

Deploying Kubernetes on Windows Server

Kubernetes is a popular orchestration tool for containers (see What are Containers) that makes deployment and management intuitive, scalable, and effective. This includes built-in features such as:

  • Scheduling: Given a container image and a resource request, find a suitable machine on which to run the container.
  • Health monitoring: Watch for container failures and automatically reschedule them.
  • Networking: Provide a network for coordinating containers to communicate across machines.
  • Service Discovery: Enable containers to locate each other automatically even as they switch hosts or change IP addresses.
  • Scaling: Add or remove container instances to match demand, either manually or automatically. And much more! For guidance that walks you through how to install Kubernetes onto your on-premise Windows datacenter, please see How To Guide: Kubernetes for Windows Flannel (Host-Gateway). For more information about container orchestrators in general, see Container orchestrators on

Microsoft Hyper-V 2019 Preview

This is the first Insider Preview of Microsoft Hyper-V 2019. Microsoft Hyper-V Server is a stand-alone product that contains only the Windows hypervisor, a Windows Server driver model, and virtualization components. It provides a simple and reliable virtualization solution to help you improve your server utilization and reduce costs.

The Windows hypervisor technology in Microsoft Hyper-V Server is the same as what’s in the Hyper-V role on Windows Server. So, much of the content available for the Hyper-V role on Windows Server 2016 also applies to Microsoft Hyper-V Server.

Remote Desktop Session Host (RDSH)

RD Session Host is a Remote Desktop Services role service that enables users to share Windows-based programs or the full Windows desktop. Users can connect to an RD Session Host server to run programs, save files, and use network resources on that server. Because of a bug, the RDSH role was missing in previous releases of Windows Server 2019 – this build fixes that.


Windows Defender Advanced Threat Protection

We provide deep platform sensors and response actions, providing visibility to memory and kernel level attacker activities and abilities to take actions on compromised machines in response to incidents such as remote collection of additional forensic data, remediating malicious files, terminating malicious processes etc.

If you’re already using Windows Defender Advanced Threat Protection (ATP), preview these features by simply installing the latest preview build of Windows Server, and onboard it to Windows Defender ATP.

Otherwise, sign up for the Windows Defender ATP trial on Windows Defender Advanced Threat Protection.

Windows Server 2019 Software Defined Networking (SDN)

In this modern era of cloud computing, more and more customers are looking to move their workloads to public, private or hybrid clouds. Security is one of their main inhibitors in moving to cloud. How secure are their workloads in the cloud? Is their data safe from theft and tampering? Windows Server 2019 Software Defined Network (SDN) delivers new security features to increase customer confidence whether running workloads on-premises or as a service provider in the cloud.

Encrypted network in SDN

Network traffic going out from a VM host can be snooped on and/or manipulated by anyone with access to the physical fabric. While shielded VMs protect VM data from theft and manipulation, similar protection is required for network traffic to and from a VM. While the tenant can setup protection such as IPSEC, this is difficult due to configuration complexity and heterogeneous environments.

Encrypted Networks is a feature which provides simple to configure DTLS-based encryption using the Network Controller to manage the end-to-end encryption and protect data as it travels through the wires and network devices between the hosts. It is configured by the Administrator on a per-subnet basis.  This enables the VM to VM traffic within the VM subnet to be automatically encrypted as it leaves the host and prevents snooping and manipulation of traffic on the wire. This is done without requiring any configuration changes in the VMs themselves. Try it out—Configure Encryption for a Virtual Subnet—and send us your feedback in the Feedback Hub.

SDN High Performance Gateways

Organizations today deploy their applications across multiple clouds including on-premises private clouds, service provider clouds, and public clouds such as Azure. In such scenarios, enabling secure, high-performance connectivity across workloads in different clouds is essential. Windows Server 2019 brings huge SDN gateway performance improvements for these hybrid connectivity scenarios, with network throughput multiplying by up to 6x.

For more details about these improvements, please see our blog entry: Top 10 Networking Features in Windows Server 2019: #6 High Performance SDN Gateways.

SDN Fabric Access Control Lists (ACLs)

We provide the ability to lock down the security of your virtual networks by automatically applying ACLs to the fabric.

Firewall Logging

SDN enables the Hyper-V host to generate firewall logs that are consistent in format with Azure Network Watcher.

IPv6 support

SDN includes the ability to use IPv6 for virtual network address spaces, virtual IPs and for logical networks. All of the security features of SDN now work with IPv6 addresses and subnets, including Access Control Lists and User Defined Routing.

Virtual Network Peering

The primary security boundary for SDN is the isolation that’s provided by the virtual network itself, but sometimes it becomes necessary to breach this boundary so that two virtual networks are able to communicate with each other. You still want these two individual boundaries to securely communicate, and that’s where Virtual Network Peering comes in.

For more details about these improvements, please see our blog entry: Top 10 Networking Features in Windows Server 2019: #4 Security with SDN


Storage Spaces Direct

Storage Spaces Direct uses industry-standard servers with local-attached drives to create highly available, highly scalable software-defined storage at a fraction of the cost of traditional SAN or NAS arrays. Its converged or hyper-converged architecture radically simplifies procurement and deployment, while features such as caching, storage tiers, and erasure coding, together with the latest hardware innovations such as RDMA networking and NVMe drives, deliver unrivaled efficiency and performance.

Delimit volume allocation with Storage Spaces Direct

New cmdlets simplify the management of volumes with delimited allocation. Use Get-StorageScaleUnit to see fault domains; follow associations to/from Get-VirtualDisk to see the current allocation; and set or modify allocation by using friendly names for fault domains. For more details, see the links under “Insider Preview content” on

Performance history for Storage Spaces Direct

  • The Get-ClusterPerf cmdlet includes self-diagnosis logic: if the cmdlet finds nothing to report, it looks for common issues that would prevent performance history from working properly (for example, if its storage is missing) so that the cmdlet can provide clear error text.
  • New cmdlets, Start-ClusterPerformanceHistory and Stop-ClusterPerformanceHistory, that are provided in this build make it easy to remediate such issues by cleaning up and/or re-provisioning performance history.
  • New series records how much Storage Spaces Direct data needs to repair/resync per server.
  • The Get-ClusterPerformanceHistory cmdlet is more scripting-friendly. It’s now convenient to pipe performance history into utility cmdlets like Sort-Object, Where-Object, and Measure-Object so you can quickly find the average or peak value, filter values, plot trend lines, run outlier detection, and more. You can see examples with these cmdlets in the topics linked under “Insider Preview content” on [](
  • Performance history for the Storage Spaces Direct cache for reads (% hit rate) and writes (% full), as well as the CSV in-memory read cache (% hit rate), is now available. These new series are available per-server and in aggregate.
  • Some performance history series have changed names for greater clarity and consistency—for example, Node.Cpu.Usage is now ClusterNode.Cpu.Usage. Note that this change will result in some blank charts in Windows Admin Center until its next update.
  • Administrators of Storage Spaces Direct can now get easy access to historical performance and capacity data from their cluster. Did CPU usage spike last night? When did this drive become slow? Which virtual machine used the most memory last month? Is network activity trending up or down? The cluster is pushing 1,000,000 IOPS – is that my new record? Previously, you’d need external tooling to answer these questions. No more!
  • Beautiful new charts in Project Honolulu (and new PowerShell cmdlets, for those so inclined) empower you to answer these questions. There’s nothing to install, configure, or start—it’s built-in and always-on. Learn more at

Project Honolulu

Storage Migration Service

A common issue around Windows Server is a lack of data migration options from older operating systems and storage platforms. Many customers run Windows Server 2012 R2, Windows Server 2008 R2, or even Windows Server 2003 simply because in-place upgrades were impossible and manual data migrations were slow and likely to cause significant service interruption or even loss of access to users and applications.

Windows Server 2019 introduces the Storage Migration Service (SMS), a new role included in Windows Server Standard and Datacenter editions. SMS is a job-based orchestration and proxy that:

  • Allows administrators to inventory existing servers for their data, security, and network settings.
  • Migrates that data, security, and network settings to a new, modern target by using the SMB protocol.
  • Takes over the identity of the old server completely, while decommissioning the original source, in such a way that users and applications are unaffected and unaware that migration has taken place.

SMS provides orchestrated workflow with a Honolulu-based graphical management system, allowing scalable migrations of many servers simultaneously to new targets running on premises or in Azure.

Scalable migrations

SMS handles common problems and subtleties of a migration, including in-use files, share settings, security settings, network addresses and names, local security principals, encrypted data, and more. All of this is available from an intuitive graphical interface, which is backed by robust PowerShell automation.

SMS is under active development, and you will see many changes and improvements with each preview. Furthermore, the use of the Honolulu management system enables out-of-band changes through its extension manager system, allowing us to act on your feedback more frequently than the Windows Server preview mechanism allows.

For more information on deploying and using the Storage Migration Service, please visit

Storage Replica

Storage Replica (SR) was first released as a technology for Windows Server 2016 Datacenter Edition. SR enables synchronous and asynchronous block replication of volumes between servers or clusters for disaster recovery. SR also enables you to create stretch failover clusters that span two sites, with all nodes staying in sync. Beginning with Windows Server 2019, responding to customer requests, we’ve added the following improvement to SR:

Storage Replica Standard. SR is available on Windows Server 2019 Standard Edition, not just on Datacenter Edition. When installed on servers running Standard Edition, SR has the following limitations:

  • SR replicates a single volume instead of an unlimited number of volumes.
  • Volumes can have one partnership instead of an unlimited number of partners.
  • Volumes can have a size of up to 2 TB instead of an unlimited size.

We will continue to listen to your feedback and evaluate these settings through our telemetry during Insider previews of Windows Server 2019. These limitations may change several times during the preview phase and at RTM. For more information about Storage Replica, visit

System Insights

System Insights is a new feature available in Windows Server 2019 that brings local predictive analytics capabilities natively to Windows Server. These predictive capabilities—each backed by a machine-learning model—locally analyze Windows Server system data, such as performance counters and events, providing insight into the functioning of your deployments and helping you reduce the operational expenses associated with monitoring your Windows Server instances.

Because each of these capabilities runs locally, all your data is collected, persisted, and analyzed directly on your Windows Server instance, allowing you to use predictive analytics capabilities without any cloud connectivity. In Windows Server 2019, System Insights introduces a set of capabilities focused on capacity forecasting, predicting future usage for compute, networking, and storage.

System insights

You can manage System Insights through an intuitive Windows Admin Center extension or directly through PowerShell, and System Insights allows you to manage each capability individually. This includes configuring custom schedules to run each capability and adding remediation scripts to automatically address any issue detected by a capability.

You can add new predictive capabilities to System Insights, without requiring any OS updates. This functionality enables developers, including Microsoft and third parties, to create and deliver new capabilities mid-release to address the scenarios you care about. New developer documentation and resources are now available, which help you write your own custom capabilities.

Any new capability can integrate with and extend the existing System Insights infrastructure:

  • New capabilities can specify any performance counter or ETW event, which will be collected, persisted locally, and returned to the capability for analysis when the capability is invoked.
  • New capabilities can leverage the existing Windows Admin Center and PowerShell management planes. Not only will new capabilities be discoverable in System Insights, they also benefit from custom schedules and remediation actions.

In previous releases, System Insights forecasted future usage for both local volumes and local storage consumption. After listening to the feedback from our cluster customers, we’ve added new functionality in this release, which allows you to optionally enable forecasting on clustered volumes and clustered storage.

You can enable this functionality through Windows Admin Center or PowerShell. To learn how, please see our blog post.

For more information about System Insights, please visit

Installation Steps:

Step 1 : Download the Preview version of Windows Server 2019 from Windows Insider Portal


Step 2 : I have installed using the VMWare player. Once you booted the Windows_InsiderPreview_Server_vNext_en-us ISO. You will get the following screen.

Click Next


Step 3 : Click on Install Now


Step 4 :  Click I don’t have a product key


Step 5 :  Select the version you prefer to install. Please select the Desktop interface option you need Windows GUI



Step 6 : Accept the license agreement

Step 7 : Choose the custom installation method



Step 8 :  Choose the drive for installing Windows Server



Step 9 :  Now you can windows installation is in progress ….



Step 10 :  Now the installation finished and system will reboot. Please be noted that system will automatically rebooted multiple times during this installation.

Step 11 : Once the server rebooted you will get the prompt to setup Administrator password. Just set the password and click Finish.


Step 12 : That’s all !!!!!! Now you can login to the server and you can see the same UI as in Windows 10 OS.


System Properties


What is Windows 2019 Preview

Announcing Windows Admin Center Inside Preview 1806.

Announcing Windows Admin Center Insider Preview 1806

What’s New in Windows Server 2019 Insider Preview Builds

Installing and Configuring Windows 2019 and Project Honolulu 

Installing and Configuring Windows Server 2019 and Project Honolulu

Windows Server 2019 With GUI Installation and Overview Video Tutorial: