Comparing Different Versions of Microsoft Windows Server: 2012 vs. 2012 R2 vs. 2016 vs. 2019

Microsoft Windows Server has evolved significantly over the years, with each version introducing new features and improvements tailored for enterprise environments. This article provides a comprehensive comparison of four major versions: Windows Server 2012Windows Server 2012 R2Windows Server 2016, and Windows Server 2019. Understanding the differences can help organizations make informed decisions about which version best suits their needs.

Overview of Each Version

Windows Server 2012

Released on August 1, 2012, Windows Server 2012 marked a significant shift in Microsoft's approach to server management, emphasizing cloud integration. Key features included:
  • Hyper-V Enhancements: Improved virtualization capabilities, including Hyper-V Replica for disaster recovery.
  • PowerShell 3.0: Enhanced automation and management capabilities.
  • Storage Improvements: Introduction of Storage Spaces for better storage management and efficiency.
  • New Editions: Included Essentials and Foundation editions aimed at small businesses
    .

Windows Server 2012 R2

Launched on October 18, 2013, as an update to Windows Server 2012, R2 introduced several enhancements:
  • Improved Cloud Integration: Further refined features for cloud computing and virtualization.
  • Enhanced PowerShell: Introduction of Desired State Configuration (DSC) for managing configurations.
  • Storage Enhancements: Better file sharing and replication capabilities.
  • Mobile Device Support: Ability to serve applications to mobile devices, reflecting the growing trend towards mobile computing

Windows Server 2016

Released on October 15, 2016, Windows Server 2016 brought substantial security and management improvements:
  • Shielded Virtual Machines: Enhanced security for virtual machines against unauthorized access.
  • Windows Defender: Integrated antivirus protection directly into the OS.
  • Nano Server: A lightweight installation option designed for cloud applications and microservices.
  • Active Directory Improvements: Enhanced capabilities for managing identities and access control

Windows Server 2019

The latest version, released in October 2018, builds on the strengths of its predecessors while introducing new features:
  • Hybrid Cloud Support: Improved integration with Azure services for hybrid cloud environments.
  • Windows Admin Center: A centralized management tool that simplifies server management tasks.
  • Storage Migration Service: Facilitates the migration of storage from legacy servers to newer versions without downtime.
  • Kubernetes Support: Enhanced support for containerized applications, reflecting the shift towards microservices architectures
    .

Feature Comparison

Feature Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019
Release Date Aug 1, 2012 Oct 18, 2013 Oct 15, 2016 Oct 2018
Hyper-V Enhancements Yes Yes Yes Yes
PowerShell v3.0 v4.0 v5.1 v5.1
Storage Spaces Yes Yes Yes Yes
Shielded VMs No No Yes Yes
Windows Defender No No Yes Improved
Nano Server No No Yes Yes
Hybrid Cloud Support Limited Limited Limited Enhanced
Kubernetes Support No No Limited Yes

Support Lifecycle

The support lifecycle is an essential consideration when choosing a server version:
  • Windows Server 2012: Mainstream support ended on October 10, 2023.
  • Windows Server 2012 R2: Mainstream support also ended on October 10, 2023.
  • Windows Server 2016: Mainstream support will end on January 11, 2027.
  • Windows Server 2019: Mainstream support will continue until January 9, 2029

Conclusion

Microsoft Windows Server has evolved significantly, addressing the growing complexity of IT infrastructures. Each version offers unique features, from basic virtualization in Windows Server 2012 to advanced hybrid cloud integration and security in Windows Server 2019. By understanding the differences, you can select the version that aligns with your organization’s goals and infrastructure needs.

Would you like help with licensing, installation, or migration to a newer Windows Server version? Let us know!