The latest versions are moving from "backup as a file" to "backup as a mountable state." If your current solution takes longer than 15 minutes to restore a critical VM, you are not using a modern 64-bit engine.
: Specifically designed for Hyper-V and VMware, this lightweight 64-bit solution was recently updated to improve offsite replication. Proxmox Backup Server (v4.1) virtual backup 64 bit latest version
The most advanced feature of the latest version is . Before the backup job finalizes, the 64-bit engine spins up a sandboxed VM, scans the Guest OS memory for rootkits, and quarantines the backup if a hash matches a known signature. The latest versions are moving from "backup as
Native 64-bit processing speeds up encryption and compression algorithms, significantly shortening backup windows. significantly shortening backup windows.