The AMD opteron Dedicated Servers uses a new instruction set that has several requirements:
- From within BIOS the IOMMU option should be enabled, this option is disabled by default.
- Windows Server 2008 R2 Service Pack 1 is required to be installed.
- SSE5 support must be installed using the Microsoft Hotfix at http://support.microsoft.com/kb/2568088.
If you continue to have issues, please open a support ticket by e-mailing firstname.lastname@example.org.