Minimum Requirements

To upgrade to Parallels Pro Control Panel 10.3.1, your system needs to meet the following requirements.

Requirements	Description
File system	EXT3 Important: Quotas may not function as intended if you use other file systems.
Disk space	At least 40 GB
Disk space partitioning (assuming minimum disk space of 40 GB) The size of the partitions can vary in proportion to the size of the disk space.	`/` 5 GB or more `/usr` 5 GB or more `/swap` Twice the size of RAM `/var` 4 GB or more 20 GB or more (depending on the number of sites you want to host) Important: Do not create `/home/virtual` on a separate partition. The Site Administrator dashboard reports incorrect disk usage if the directory is created on a separate partition.
Connectivity	Network connectivity with Internet access
FTP access	Required if you want the installer to obtain the installation files from Parallels Pro Control Panel FTP server or your local FTP server.
Software	One Parallels Pro Control Panel 10.3.1 CD-ROM Required if you want the installer to obtain the installation files from the CD-ROM)
License	Ensim Control Panel 10.0.0, 10.1.0, 10.2.0 or 10.3.0 license Note: Parallels Pro Control Panel 10.3.1 does not require you to purchase a new license. When you upgrade, Parallels Pro Control Panel uses the license installed on version 10.0.0, 10.1.0, 10.2.0 or 10.3.0.
Other requirements	"root" user access