The following lists the operating system support for the Sun Fire X4600 M2 server:
Oracle Solaris 10 OS 06/06, 08/07, 10/08, 10/09 (64-bit only).
Oracle Linux 4.8 (32-bit and 64-bit).
Oracle Linux 5.4 (64-bit only).
Red Hat Enterprise Linux 4.8 (32-bit and 64-bit).
Red Hat Enterprise Linux 5.4 (64-bit only).
SUSE Linux Enterprise Server 9 SP3 (64-bit only, with or without Xen).
SUSE Linux Enterprise Server 10 SP1, SP3 (64-bit only, with or without Xen).
SUSE Linux Enterprise Server 11 (64-bit only, with or without Xen).
Microsoft Windows Server 2003 Standard/Enterprise editions SP2 (32-bit and 64-bit).
Microsoft Windows Server 2008 Standard/Enterprise/Datacenter editions SP2 (32-bit and 64-bit).
Microsoft Windows Server 2008 R2 (64-bit only).
VMware ESX 3.5 U4 (32-bit only).
VMware ESX 4.0 (64-bit only).
VMware ESXi 3.5 U4 (32-bit only).
VMware ESXi 4.0 (64-bit only).
VMware ESXi 5.0 (64-bit only).