Server 2012 Qcow2 | Windows

Windows Server 2012 installations can be bulky. Using the QCOW2 format allows administrators to utilize "thin provisioning" efficiently. If you have a development team spinning up ten different instances of Windows Server 2012 for testing, using QCOW2 means you aren't wasting terabytes of space on empty sectors.

: During the "Where do you want to install Windows?" step, no disks will appear. Click Load Driver and browse the VirtIO CD to find the folder matching your architecture (e.g., Win8\AMD64 Post-Installation & Optimization windows server 2012 qcow2

Although Windows Server 2012 R2 followed shortly after, the base 2012 version is still found in: Windows Server 2012 installations can be bulky