This is the only free, legal way to download the ISO for testing.
: 512 MB (2 GB or more recommended for Datacenter workloads) Storage : 32 GB minimum disk space Windows Server 2012 and 2012 R2 reaching end of support Windows Server 2012 R2 Datacenter Iso Download
Use this OS only for:
During the installation wizard, when prompted for the product key: This is the only free, legal way to
| Feature | Windows Server 2012 R2 Standard | Windows Server 2012 R2 Datacenter | | :--- | :--- | :--- | | | 2 Hyper-V Containers / 2 VMs | Unlimited VMs | | Software-Defined Networking (SDN) | No | Full support | | Storage Spaces Direct | No | Yes | | Clustering | Up to 64 nodes with standard features | Full cluster-aware updates & storage replication | | Target Audience | Physical servers, small deployments | High-density virtualization, cloud hosts | | | Vagrant Box | vagrant box add
| Alternative | Method | Best For | | :--- | :--- | :--- | | | Use the default "Windows Server 2012 R2" evaluation VHDX from Microsoft. | Instant VM without ISO. | | Vagrant Box | vagrant box add msedge-winserver2012r2 – pulls a legal, pre-configured box. | DevOps testing. | | Docker Base Images | microsoft/windowsservercore:ltsc2012-r2 – Microsoft maintains a Windows Server Core 2012 R2 container image. | Modernizing legacy apps. | | Azure Migrate | Use Azure's in-place upgrade tools to move off 2012 R2 without needing the ISO. | Production migration. |