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XenServer Virtual Machine Installation Guide Creating VMs 3
Operating System Minimum RAM Maximum
RAM
Disk space
Windows Server 2008 32-bit/64-
bit
512MB minimum supported,
2GB or more recommended
32GB Minimum
10GB, 40GB
or more rec-
ommended
Windows Vista 32-bit 512MB minimum supported,
768MB or more recommended
32GB 16GB
Windows 2003 128MB minimum supported;
256MB or more recommended
32GB 2GB
Windows XP SP2/3 128MB minimum supported;
256MB or more recommended
32GB 1.5GB
Windows 2000 SP4 128MB minimum supported;
256MB or more recommended
32GB 2GB
CentOS 4.5, 4.6, 4.7 256MB 16GB 800MB
CentOS 5.0, 5.1, 5.2, 5.3 512MB 16GB 800MB
Red Hat Enterprise Linux 3.6 64MB 32GB 1.5GB
Red Hat Enterprise Linux 4.5,
4.6, 4.7
256MB 16GB 800MB
Red Hat Enterprise Linux 5.0,
5.1, 5.2, 5.3
512MB 16GB 800MB
SUSE Linux Enterprise Server 9
SP2/3/4
256MB 32GB 1GB
SUSE Linux Enterprise Server
10 SP1/2, 11
512MB 32GB 1.5GB
Debian Etch 128MB 32GB 4GB
Debian Lenny 128MB 32GB 4GB
XenServer product family virtual device support
The current version of the XenServer product family has the following general limitations on virtual devices
for VMs. Note that specific guest operating systems may have lower limits for certain features. These limi-
tations are noted in the individual guest installation section.
Virtual device Linux VMs Windows VMs
Number of virtual CPUs 32
*
8
Number of virtual disks 7 (including virtual CD-ROM) 7 (including virtual CD-ROM)