| Features | Windows Server 2016  | Windows Server 2019  |
| Features related to hybrid capabilities |
Hybrid Cloud Option Both on-premise and cloud solutions work together |  |  |
| Integrate apps and infrastructure with Azure Backup and FileSync |  |  |
VM Protection Replicate workloads running on physical and virtual machines |  |  |
Azure Network Adapter Connect to Azure virtual networks |  |  |
System Insights Local predictive analysis to reduce operational costs |  |  |
Storage Migration Service Migrate data from legacy systems to Windows and/or Azure |  |  |
| Features related to better security |
Expect Breach Continuosly monitors the vulnerable areas where breach is expected |  |  |
| Embedded Windows Defender Advanced Threat Protection |  |  |
| Shielded VMs for Windows Server & Linux |  |  |
Device Guard Prevents the malware threats |  |  |
Credential Guard Prevents breach of login credentials |  |  |
| Extended support of VMConnect |  |  |
| Additional support for Linux VMs |  |  |
Cluster Hardening Requirement of Active Directory is eliminated for clusters in Windows Server |  |  |
| Features related to optimization of performance |
Windows Server containers Windows 2019 contains small containers which improves efficiency by saving space |  |  |
Linux containers Managing Linux and Windows in the same environment |  |  |
| Windows Subsystem for hosting Linux |  |  |
Server Core Features on Demand (FoD) Improve the app compatibility of Windows Server Core by including a set of binaries and packages from Windows Server with Desktop |  |  |
| Kubernetes platform support |  |  |
| Features related to infrastructure management |
Clusterwide monitoring Monitor latency in real time with clear alerts when something’s not right |  |  |
| Cluster sets |  |  |
Deduplication for ReFS Optimize free space on a volume by examining the data for duplicated portions. |  |  |
Kernel soft reboot Reduce application downtime with WSSD-validated hardware faster reboot time |  |  |
Leap Second support Occasional 1-second additions to UTC to adjust to earth’s rotation |  |  |
Precision Time Protocol (PTP) Provide a precise time sample better than Network Time Protocol (NTP) |  |  |
| Improved SDN gateway |  |  |
| Hybrid SDN gateway |  |  |
| Date deduplication |  |  |
| Storage Health Monitoring |  |  |
| Virtual Machine Storage Resiliency |  |  |
| Features deprecated in Windows Server 2019 |
| Business Scanning/Distributed Scan Management (DSM) |  |  |
| Internet Storage Name Service (ISNS) |  |  |
| Print components for Server Core |  |  |
| Remote Desktop Connection Broker in Server Core installation |  |  |
| Remote Desktop Virtualization Host in Server Core Installation |  |  |