The Sun Ultra 27 workstation supports the following Microsoft Windows operating systems at the time of publication of this document:
Microsoft Windows Vista, Ultimate (32-bit or 64-bit)
Microsoft Windows Server 2008, Standard Edition (32-bit or 64-bit)
Microsoft Windows XP, SP2 (32–bit or 64–bit)
The updated list of supported operating systems can be found on the Sun Ultra 27 workstation product page: