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Chapter 2. Xen restrictions and support

Red Hat Enterprise Linux 5 supports various combinations for hosts and guests. Processor and memory limitations exist and can be viewed at the following URLs:
The following URL shows a complete matrix of supported operating systems and host and guest combinations:


To utilize para-virtualization on Red Hat Enterprise Linux 5, your processor must have the Physical Address Extension (PAE) instruction set.


Virtualization with the Xen hypervisor on the Intel Itanium architecture requires the guest firmware image package. See Installing the Xen hypervisor with yum for more information.