Before you download, it is vital to understand the difference between the two available releases. If you are setting up a new environment, you should almost exclusively look for .
What does this mean for you?
If your company purchased volume licenses in the past, the ISOs are still archived in the VLSC portal. You will need your agreement number to access this. windows server iso 2012
| Feature | Standard | Datacenter | Essentials | | :--- | :--- | :--- | :--- | | | 2 | Unlimited | 1 (or no Hyper-V role) | | Failover Clustering | Yes (up to 25 nodes) | Yes (unlimited) | No | | Storage Spaces | Yes | Yes | Yes | | Max Physical RAM | 4 TB | 4 TB | 64 GB | | Max Sockets | 64 | 64 | 2 (but 1 recommended) | | Target | General purpose VM host | Large virtualization farms | Small biz (<25 users/50 devices) | Before you download, it is vital to understand
Installing from a 2012 R2 ISO means your server is vulnerable to over 1,500 publicly disclosed CVEs not patched since Oct 2023, including: If your company purchased volume licenses in the
: For organizations with active licenses, the full version (Standard or Datacenter) can be downloaded from the Microsoft VLSC.