Welcome to the Easy Upgrade Site. This page is designed to provide all of the information that you need to upgrade from older versions of Virtuozzo to 4.0.
Virtuozzo 3.x to Parallels Virtuozzo Containers 4.0
Parallels Virtuozzo Containers RC to 4.0 GA
Upgrade instructions for Windows
Upgrade instructions for Linux
Upgrade script to retain management tool settings for Windows servers
Upgrade scripts to retain management tool settings on Linux servers (32 bit)
Upgrade scripts to retain management tool settings on Linux servers (64 bit)