User`s guide

7
Parallels Virtuozzo Containers 4.6 officially supports upgrading Hardware Nodes that run
SWsoft Virtuozzo 3.0 Service Pack 1 and one of the following Linux distributions (both x86 and
x64 versions):
 Red Hat Enterprise Linux 4
 CentOS 4
It is recommended that you install the latest Parallels Virtuozzo Containers update on the
Hardware Node before starting the upgrade procedure. Use the vzup2date utility to check
that you have all of the available updates installed on the Node.
Upgrading from SWsoft Virtuozzo 3.0
Service Pack 1