Below is a list of technical specifications and platform requirements for XenServer.

Infrastructure

XenServer Host

• 64-bit x86 server-class system
• CPU: 1.5 GHz minimum, 2 GHz or faster multi-core recommended
• Intel® VT or AMD-V™ required for support of Windows guests
• 2GB to 1TB physical memory
• Up to 64 logical processors
• 100Mb/s or faster NIC
• Up to 16 physical NICs
• Local, Fibre Channel or SAN boot disk with 16 GB of space minimum, 60 GB or more recommended
• Fibre Channel, iSCSI or NFS LUN with 356MB of space minimum for High Availability (HA) heartbeat storage repository

XenCenter Client

• x86-based system
• Microsoft® Windows® 2000, Windows XP, Windows Server® 2003, Windows Server 2008, Windows Vista , or Windows 7 (all Editions and Versions)
• .NET Framework 2.0 SP1 or later
• CPU speed: 750 MHz minimum, 1 GHz or faster recommended
• RAM: 512 MB minimum
• Disk space: 100 MB minimum
• Network interface card

Supported guest operating systems

Below is a list of operating systems that are supported for virtualization with XenServer.

• Microsoft Windows 64-bit: Windows Server 2008 (SP1, SP2, R2, R2 SP1); Windows Server 2003 Standard, Enterprise, Datacenter Edition (SP2), Windows 7 (SP1)
• Microsoft Windows 32-bit: Windows Server 2008 (SP1, SP2); Windows Server 2003 Web, Standard, Enterprise, Datacenter (SP0, SP1, SP2, R2); Windows Small Business Server (2003 SP1, SP2, R2); Windows XP (SP2, SP3); Windows 2000 SP4; Windows Vista (original and SP1); Windows 7 (SP1)
• Linux 64-bit: Red Hat Enterprise Linux (5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 6.0); CentOS (5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6); Oracle® Enterprise Linux (5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 6.0); Novell SUSE Enterprise Linux (10 SP1, 10 SP2, 10 SP3, 10 SP4, 11, 11 SP1); Debian Squeeze 6.0, Ubuntu Lucid Lynx 10.04
• Linux 32-bit: Red Hat Enterprise Linux (3.6, 3.7, 3.8, 4.5, 4.6, 4.7, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 6.0); CentOS (4.5, 4.6, 4.7, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 6.0); Oracle Enterprise Linux (5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 6.0); Novell SUSE Linux Enterprise Server (9 SP1, 9 SP2, 9 SP3, 9 SP4, 10 SP1, 10 SP2, 10 SP3, 10 SP4, 11, 11 SP1); Debian Lenny (5.0); Debian Squeeze 6.0, Ubuntu Lucid Lynx 10.04

Experimental guest operating systems

Below is a list of operating systems that are being tested for future support for virtualization with XenServer.

• Linux 64-bit: CentOS 6.0, Ubuntu Lucid Lynx 10.10
• Linux 32-bit: CentOS 6.0, Ubuntu Lucid Lynx 10.10
• UNIX 64-bit: Solaris 10 Update 9
• UNIX 32-bit: Solaris 10 Update 9

Provisioning Service

Provisioning Services Host

• CPU: Intel or AMD x86 or x64 compatible; 2 GHz minimum; 3 GHz preferred; 3.5 GHz Dual Core/HT or similar for loads greater than 250 target devices
• RAM: 2 GB minimum; 4 GB preferred; 4 GB required for >250 vDisks
• Disk space: 250 MB minimum; additional storage required for vDisks stored on Provisioning Services host
• Network interface card: Dual 1 GB Ethernet for 250+ clients. Note: Two NICs often perform better than dual-ported NIC
• OS: Microsoft Windows Server 2003 SP2 (32 or 64-bit) all editions; Windows Server 2008 (32 or 64-bit) all editions; Windows Server 2008 R2 (Standard, DataCenter, and Enterprise editions)

Provisioning Services Management Console

• CPU: Intel or AMD x86 or x64 compatible; 1 GHz minimum; 2 GHz preferred
• RAM: 1 GB minimum, 2 GB preferred
• Disk space: 500 MB minimum
• OS: Microsoft Windows XP Professional (32 or 64-bit), Vista (32 or 64-bit), or Server 2003 (32 or 64-bit) all editions, Windows Server 2008 (32 or 64-bit) all editions, Windows Server 2008 R2 Standard, DataCenter and Enterprise Editions with MMC 3.0

XenCenter Installation requirements:

Citrix XenCenter is a Windows-based application which can be installed on either a physical or virtual machine.

It should be installed on any of the following Windows flavors: Windows XP, Vista, 7, Server 2003, 2008, and 2008R2. It requires .NET Framework 3.5.

Its minimum CPU requirement is 750 MHz but 1 GHz is recommended. Minimum required RAM is 1 GB but the recommended is 2 GB. It occupies 100 MB of disk space and operates on a NIC with at least 100 Mb speed. Finally, the minimum required screen resolution is 1024 x 768.