Requisitos para criação e gerenciamento de VMs com o XenServer

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 512GB 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


XenCenter client

* x86-based system
* Microsoft® Windows® 2000, Windows XP, Windows Server® 2003, Windows Server 2008, Windows Vista SP1 and SP2, or Windows 7
* .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

Sistemas Operacionais suportados nas VMs 

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, R2 SP2); 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); CentOS (5.0, 5.1, 5.2, 5.3, 5.4, 5.5); Oracle® Enterprise Linux (5.0, 5.1, 5.2, 5.3, 5.4, 5.5); Novell SUSE Enterprise Linux (10 SP1, 10 SP2, 10 SP3, 11, 11 SP1)
* 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; CentOS (4.5, 4.6, 4.7, 5.0, 5.1, 5.2, 5.3, 5.4, 5.5); Oracle Enterprise Linux (5.0, 5.1, 5.2, 5.3, 5.4, 5.5); Novell SUSE Linux Enterprise Server (9 SP1, 9 SP2, 9 SP3, 9 SP4, 10 SP1, 10 SP2, 10 SP3, 11, 11 SP1); Debian Lenny (5.0); Debian Squeeze 6.0

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: Debian Squeeze 6.0, Red Hat Enterprise Linux 6, Ubuntu Lucid Lynx 10.04
* Linux 32-bit: Red Hat Enterprise Linux 6, Ubuntu Lucid Lynx 10.04

Provisioning Services (XenServer Platinum Edition only)

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 (30 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

Lab Manager host (XenServer Platinum Edition only)

Lab Manager host

* CPU: Intel or AMD x86 or x64 compatible; 1 GHz minimum; 2 GHz preferred
* RAM: 4 GB minimum
* Disk space: 10 GB minimum for small labs and 30 GB for large labs (disk usage will vary by number of templates, ISOs, scripts and software packages)
* OS: Windows Server 2003 SP2 x86, Windows Server 2008 datacenter R2 x64
* Database: PostgresSQL 8.3.7 and 8.3.8
* Browser: Internet Explorer 6,7,8 Mozilla Firefox 3.x

Lab Manager agent

* One agent required per managed pool
* Can be installed on same server as Lab Manager host for single pool deployment
* CPU: 2 vCPU set to the highest priority
* RAM: 2 GB minimum
* Disk space: 1 GB minimum
* OS: Windows Server 2003 SP2 x86, Windows Server 2008 Datacenter R2 x64

Virtual Machine hosts      

* Citrix XenServer 5.6 with Platinum license

Fonte: http://virtualizacao.ribafs.org/citrix-xenserver/21-xenserver-pre-requisitos