I Migrated Our Entire Infrastructure from Hyper-V to Proxmox. Here's Everything I Learned.

Domain controllers, file servers, network monitoring, imaging, WiFi controllers. All of it moved from Microsoft to open source. No downtime. No data loss. Here's the complete playbook. Why We Left Hyper-V Broadcom acquired VMware and started charging $350/core/year for VCF licensing. They killed the VMware IT Academy program entirely. The institution moved from vSphere to Hyper-V as a cost-saving measure, but I'd already done a VMware to Proxmox migration on my own infrastructure at that point. That migration opened my eyes to how good Proxmox actually is. It's more lightweight. The web UI gives you more granular control than Hyper-V Manager ever did. Snapshots, live migration, ZFS, LXC containers, and full KVM virtualization all in one platform. Completely free. No per-socket licensing, no Windows Server dependency, no CALs. One less thing Microsoft gets to hold over your budget. Hyper-V felt heavy by comparison. Limited Linux VM support, clunky management (RDP into the host just to t