I can confirm this is an issue in Lucid w/ qemu-kvm 0.12.3+noroms- 0ubuntu9.
Microsoft Kbase has a little bit of details of specifically is likely to be wrong, at http://support.microsoft.com/kb/314830 (browse down to 0x00000011) -- Windows Server 2008 won't boot with more than 4 vCPUs https://bugs.launchpad.net/bugs/589063 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs