[CentOS] Centos 5.8 has no "Virtualization" install option

Thu May 24 02:45:31 UTC 2012
Dennis Jacobfeuerborn <dennisml at conversis.de>

Hi,
when I try to install Centos 5.8 on a Dell r410 then I don't get a
"Virtualization" option during the package selection of the installer.
Centos 5.7 does show that option fine. Is this a known issue?

Regards,
  Dennis